High Quality Content by WIKIPEDIA articles! Bulkhead is the name of several fictional characters in the various Transformers universes. All incarnations of Bulkhead are Autobots and are green in color. He was introduced in Transformers: Energon as a Mega Vehicle and later redebuted in Transformers: Animated as a completely new character. The Animated Bulkhead became so popular that he was adapted to reappear in Transformers: Prime. The Animated/Prime Bulkhead appears as a main character in both series.