Steamzilla

Steamzilla is a steampunk beast from the episode, "Steam-Punk!" and serves as the antagonist of the episode.

Description
He looks just like the famous movie monster Godzilla who terrorized Tokyo Japan, but remodeled as a steampunk monster, made out of brass and has rust patches all over it.

Rule
It was the main antagonist of the episode, "Steam-Punk!" who planned on terrorizing Bikini Bottom. It died by getting decapitated, causing it to fall in a pit and explode.

Trivia

 * This is a obvious parody of Godzilla.