297 Monster High's Monstatrix » by Cloud4012 Drake Rogers was your average human except for one thing his best friend was a vampire and when a watch with the power to turn him into 16 different aliens appears Drake and the Ghoul Squad will find themselves on many adventures around and out of this world. OC x Harem.
Ben 10 & Monster High, T, English, Supernatural & Adventure, chapters: 32, words: 117k+, favs: 374, follows: 380, updated: 12h published: 12/15/2018, OC, Frankie S., Draculaura
1k+ James Harem 2 » by GreyKing46 It has been two years since Brother Blood. Two years since the Titan's went their own ways. To learn, to train, to grow stronger. Now they return, stronger than ever, as their greatest challenges look just over the horizon. No longer Teens, they are the Titan's. And they will fight together, until the the end. James(OC)XHarem. NightwingXDuela. ChangelingXHarem. CyberianXSarah
Teen Titans & Ben 10, M, English, Adventure & Romance, chapters: 96, words: 510k+, favs: 499, follows: 470, updated: 5/19 published: 4/21/2018, [OC, Starfire, Raven, Jinx]
1k+Jedi or Sith » by Dragonlord0 Dooku has encountered a disturbance in the force which leads him to an unknown planet and to a young boy who's power is unlike anything Dooku has ever seen in a Jedi or Sith. 3 years later this man enters the clone wars but he meets Ahsoka trying to deliver Jabba's son to him and he begins to feel a change of heart. Harem Lemons and girl on girl action Minor crossover.
Star Wars: The Clone Wars, M, English, Romance & Adventure, chapters: 46, words: 305k+, favs: 843, follows: 791, updated: 5/16 published: 10/25/2018, Ahsoka T., Aayla Secura, Barris Offee, OC
832 King of the Monsters » by Dragonlord0 Earth's mightiest heroes unite to defend Earth from the Invaders. However something even more powerful comes to their aid. A creature whose powers are stronger than Superman. A creature who defends the Earth with all his being. Get ready for the return of the King of the Monsters. Legendary Godzilla. Monster crossover, Pacific Rim crossover. Harem, Lemons and Pregnancy.
Godzilla & Justice League, M, English, Romance & Adventure, chapters: 24, words: 84k+, favs: 1k+, follows: 960, updated: 5/16 published: 7/4/2019, [Diana of Themyscira/Wonder Woman, Linda L./Kara Zor-El/Supergirl, OC] Godzilla
499The Spartan Mutant » by Dragonlord0 The son of an old friend of Professor X arrives at the institute badly injured after a powerful mutant has killed his entire family. Now watch as this young Mutant joins the X men with the ability to copy all the powers of every mutant just by looking at them. Oc Harem crossover harem lemons girl on girl action and pregnancy.
X-Men: Evolution, M, English, Romance & Adventure, chapters: 25, words: 50k+, favs: 713, follows: 689, updated: 5/16 published: 5/11/2017, Jean Grey, Rogue/Anna Marie, Shadowcat/Katherine P./Kitty P., OC
218The Wild Wind Warlock » by Cloud4012 When his father goes missing leaving behind only a journal. Minato Nakamura along with his best friend Luz go on the adventure of the lifetime as they end up in the Boiling Isles where he and Luz train to be witches and so Minato can learn about what happened to him. Elements from other shows included.
Owl House, T, English, Adventure & Fantasy, chapters: 22, words: 156k+, favs: 265, follows: 248, updated: 5/14 published: 9/4/2020, OC, Luz N., Amity B.
6 Ultramatrix Hero Vampire » by Artzilla406 this is the same crossover but what if zack is in this? zack x heram
Ben 10 & Rosario + Vampire, M, English, Romance & Supernatural, chapters: 13, words: 99k+, favs: 35, follows: 26, updated: 5/11 published: 2/8/2018
601 Spider of Super Hero High » by Cloud4012 In the city of Metropolis the newest hero Spider Man is accepted into Super Hero High School. Will he fit in with his new classmates and be able to protect the world? With the help of classmates he'll learn what it truly means to be a super hero and make some friends maybe even meet some pretty ladies. Rated M for future chapters
DC Super Hero Girls & Spider-Man, M, English, Adventure & Romance, chapters: 53, words: 191k+, favs: 538, follows: 536, updated: 4/30 published: 5/21/2018
98 Equestria's Trollhunter » by Cloud4012 Dusk Shadow, a regular student at CHS who wants a little excitement in his life. Little did he know when he finds a magical amulet his life would change forever as he finds himself dragged into a world of trolls, magic and ponies. Together with his friends he must save the world and win the hearts of some pretty girls.
My Little Pony & Trollhunters, M, English, Adventure & Romance, chapters: 16, words: 77k+, favs: 130, follows: 123, updated: 4/23 published: 7/13/2019
26 Bat and Spider by Gaslight » by Cloud4012 Two heroes both very different but very similar. In a city full of dangers and twists around every turn can Bruce Wayne and Jaden Cooper learn to work together to keep their city and the people in it safe?
Batman & Spider-Man, M, English, Drama & Romance, chapters: 2, words: 9k+, favs: 48, follows: 51, updated: 4/14 published: 2/3, Bruce W./Batman, OC
142Son of Medusa » by Cloud4012 Cursed to forever turn whoever looked at her to stone Medusa found a blind baby boy who was immune to her powers. Raising the child as her own follow Nico Stone as he changes the future for his mother, himself and others.
Greek Mythology, T, English, Adventure & Fantasy, chapters: 12, words: 44k+, favs: 240, follows: 233, updated: 4/9 published: 6/8/2020, Athena, Medusa, OC
476 Ben 10: Dragon God of Life » by DragneelGiant96 Imagine if Azmuth was a Dragon. Imagine if he was one of the Dragon Gods; the Dragon God of Life. Sometime during the Great War he was sealed inside a Sacred Gear which enables whoever wields it with the power to transform into fearsome beasts of immense power. Powerful, original version of Ben Tennyson. OOC and AU. Rated M for swearing, violence and DxD nudity. [Ben x Harem]
Ben 10 & High School DxD/ハイスクールD×D, M, English, Adventure & Romance, chapters: 35, words: 475k+, favs: 1k+, follows: 1k+, updated: 4/9 published: 9/23/2016, Azmuth, Ben T., Rias G., H. Akeno
12 Spider Among Witches » by Cloud4012 When magic is a rare skill due to technology an ancient spider spirit passes his powers onto Jaden. To try and master his new powers Jaden goes to the one place he knows that can help, Luna Nova Academy. But when threats both magical and non-magical appear it's up to Spider-Man to help save the day. Including characters from other sources.
Spider-Man & Little Witch Academia/リトル ウィッチ アカデミア, T, English, Fantasy & Humor, chapters: 3, words: 14k+, favs: 42, follows: 44, updated: 4/1 published: 1/11, OC, Akko K., Diana C.
198 Dragon Rider of Magix » by Cloud4012 Ragnar had things rough, weakest member of his team and constantly bullied. Until one night he finds something that will change his life forever. With the help of his new friend Ragnar must rise to become the hero of both his world and their world not to mention get the attention of a few pretty girls. OC x Harem
Winx Club & How to Train Your Dragon, M, English, Fantasy & Romance, chapters: 26, words: 96k+, favs: 247, follows: 250, updated: 3/29 published: 3/11/2019, Toothless, OC
153 Canterlot's Slug Slinger » by Cloud4012 Son of the famous Eli Shane, Luke Shane finds himself leaving the only place he's ever called home and heading to a world filled with things he could never imagine. Navigating through Canterlot Luke must work with his new friends to save all their worlds and meet some pretty girls along the way. OC x Harem.
My Little Pony & Slugterra, T, English, Adventure & Fantasy, chapters: 31, words: 117k+, favs: 173, follows: 179, updated: 3/22 published: 8/10/2018, Twilight Sparkle, Sunset Shimmer, Eli Shane, OC
141 Avatar: The Clone Wars » by Cloud4012 After Korra's time as Avatar came to an end, it was time for the next Avatar to step up. However he won't be protecting just the 4 nations. He'll have to leave his home to protect the entire galaxy and be the first Avatar to learn a new type of power, the Force.
Star Wars: The Clone Wars & Legend of Korra, M, English, Romance & Adventure, chapters: 17, words: 65k+, favs: 164, follows: 173, updated: 3/15 published: 12/29/2019, Ahsoka T., Anakin S., OC
133The Avatar's Red Lotus » by Cloud4012 During the first attack of the Red Lotus to kidnap Avatar Korra something else happened. Something that changed the future of a young boy. As he goes from the Red Lotus to the White Lotus. Follow Koji as he battles alongside Korra to fight her enemies as well as his past.
Legend of Korra, M, English, Adventure & Romance, chapters: 10, words: 48k+, favs: 352, follows: 395, updated: 3/14 published: 4/26/2020, [OC, Korra, Asami S.]
58 A Monster From Another World » by LittleLagoon Frankie Stein leads an ordinary and quiet life like any typical teenage monster. But everything changes when she and her friends have an encounter with a being from another world. Her life will soon take a 180-degree turn, dangers that she never believed asked to exist will be present and everything seems to be related to her mysterious and very mischievous space friend.
Ben 10 & Monster High, T, English, Sci-Fi & Adventure, chapters: 10, words: 107k+, favs: 141, follows: 162, updated: 3/10 published: 8/26/2021
20Witches Among Humans » by Cloud4012 Born and Raised as Wild Witches, Minato and Luz spent their lives on the Boiling Isles but after things on a quest go terribly wrong they find themselves trapped on earth with no idea how they got there or how to get back. Now the two of them must adapt to this new world while trying to find a way back to theirs. Owl House AU
Owl House, T, English, Humor & Fantasy, chapters: 6, words: 23k+, favs: 79, follows: 80, updated: 3/9 published: 4/13/2021, OC, Luz N., Amity B.
370The Mask » by Dragonlord0 The Justice League encounter a strange hero who's powers are unrealistic and yet...Amusing as well. The Criminals will soon be facing a new hero who's powers are so unreal that it seems more like a cartoon. Prepare to see crime fighting with class! OC character. Harem, Lemons, Girl on girl action, Pregnancy and Comedy. Inspired by the Mask. Idea by kival737101 2001 series
Justice League, M, English, Romance & Adventure, chapters: 9, words: 21k+, favs: 796, follows: 759, updated: 3/7 published: 12/9/2018