Buff Frog, whose real name is Yvgeny Bulgolyubov, was a part of Ludo's army who spied on Star Butterfly to take part in the battles against her to steal the wand. He is a gigantic pale green humanoid frog with yellow eyes, dark green lips, and webbed wings on each side of his head. He has a bulky upper body but disproportionately short legs. This character is very loyal to Ludo, often fighting for and defending him. Fanart Star vs. the Forces of Evil cursor pack with Buff Frog.