Question: ssf2 how to unlock pichu?
Answer: Play a match in any game mode (except for training) in which a player-controlled Pikachu accumulates at least 172% damage, then defeat it in a 1-stock match on Pokémon Colosseum. Pichu is a veteran unlockable character in Super Smash Flash 2 revealed at Day 4 of Super Smash Con 2017.