K.O.

K.O. is the main protagonist of Cartoon Network's show: OK K.O.! Let's be Heroes.

Fanon Wiki Ideas

 * K.O (O.k Ko. Lets's be heroes!)Vs Steven (Steven Universe)

Possinble Opponents

 * Scott Pilgrim (...)
 * Gumball Watterson (The Amazing World of Gumball)
 * Izuku Midoriya (My Hero Academia)
 * Kid Goku (Dragon Ball)
 * Gon Freecss (Hunter X Hunter)
 * Knuckle Joe (Kirby)
 * Ryu (Street Fighter)