The BU-55C is a common model of military Boomer from the Bubblegum Crisis universe. They stand at 8 feet tall and have very skeletal features. They are capable of performing more complex tasks than the B-class battle Boomers, with superior AI, two hands and a smaller, less cumbersome body. They can often disguise themselves as human beings by compressing their bodies down a fraction and donning synthetically-grown skin sheaths. They have jets in their backs for flight and have laser cannons concealed in their mouths.