The Volcano Sauce Drop, listed in the credits as the Hot Sauce Drop, is a minor villain in the Season 1 SpongeBob SquarePants episode "Karate Choppers". It is a living drop of volcano sauce that Sandy Cheeks uses to intimidate SpongeBob during one of their duels, taking the scuffle a bit far.
He is portrayed by Tom Kenny, who also portrays Patchy the Pirate and SpongeBob himself within the same show.