Notes:

Sora, Riku, Kairi, Donald, and Goofy (Kingdom Hearts); Ash, Misty, Tracey, and Melody (Pokemon anime); Robin, Starfire, Beast Boy, and Raven (original Teen Titans cartoon); Taichi, Yamato, Sora, Mimi, Koshiro, Joe, Takeru, and Hikari (Digimon); Recca, Domon, Fuko, Mikagami, and Koganei (Flame of Recca); and Isami, Toshi, and Soshi (Isami Shinsengumi) meets Wreckling Ball aka Hammond

to make things fair, Ash&co and DIgidestined are need to be Powered-up