Regirock

Regirock is one of the Regi Trio from Pokemon Ruby/Sapphire/Emerald.

Fanon Wiki Ideas So Far

 * Regirock vs Registeel vs Regice

Possible Opponents

 * Garnet (Steven Universe)
 * Marvel
 * Iron Fist
 * The Thing
 * Knuckles the Echidna (Sonic the Hedgehog)
 * Donkey Kong (...)