Ruby Gillman is the main protagonist of Ruby Gillman: Teenage Kraken.
Ruby Gillman
SpongeBob SquarePants
for SpongeBob SquarePants in If this Character was in...
Suggested by fast64
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.
