here's the breakdowns of crossover ensembles in this poll:
- Ultimate 29 Heroes: Consists Sora, Riku, Kairi, Donald, and Goofy (Kingdom Hearts); Ash, Misty, Tracey, and Melody (Pokemon anime); Robin, Starfire, Beast Boy, and Raven (noughties' Teen Titans cartoon); Taichi, Yamato, Sora, Mimi, Koshiro, Joe, Takeru, and Hikari (Digimon); Recca, Domon, Fuko, Tokiya Mikagami, and Kaoru Koganei (Flame of Recca); and Isami, Toshi, and Soshi (Isami Shinsengumi) where the specifics of this crossover ensemble are: KH's Human trio take their KH2 looks(with KH3 movesets), both Ash and Misty are wearing their Advanced Generation clothes and Melody wears her casual outfits plus Pokemon characters here are Powered up preferably with variations of Aura powers, Raven have her hood open, all 8 original Digidestined are takes 02!Summer(tv, not movie) Looks and powered up(Taichi has Pyrokinesis and can enhance his physicals to superhuman levels with his willpower, Yamato has Superstrength and Cryokinesis(even when he can be rendered mere mortal from gong alone), Sora has Aerokinesis and Flight, Koshiro has Technopathy and Electrokinesis, Mimi has Plant Manipulation and Earth Manipulation, Joe has Psychic Waterbending and Healing others, Takeru has Space, Time, and Probability Manipulation(this can manifest as even Superhuman speed), and Hikari has Psychic powers and Light Manipulation), and all 5 Hokage here takes their Final Burning looks(with their movesets largely from GBA game)
- anyone from Warhammer 40.000 Universe with Happy Tree Friends, Mario bros, Sonic the Hedgehog, and My Little Pony Friendship is Magic main characters: Warhammer 40k characters here don't need to be Imperials
- Sylar from Heroes and Flippy from Happy Tree Friends
- Marco, Tarma, Eri, and Fio from Metal Slug with any FPS main character
- Extreme Ghostbusters(consists Eduardo Rivera, Kylie Griffin, Garrett Miller, and Roland Jackson) and Rick O'Connell, Evelyn O'Connell, Alex O'connell, and Jonathan Carnahan from the Mummy trilogy
- Mystery Inc from Scooby Doo with Team Fortress 2 Mercenaries and Overwatch Heroes
- Fully-Augmented Adam Jensen with Avatar Korra(she can access Super saiyan-like powers(that's explained as Avatar state's variation) here)
- Sheldeon J. Plankton with CABAL from C&C
- the Grox from Spore and Sermeg Oguma from Metal Slug
- Deadpool and Comic Book Guy from the Simpsons