Rockbuster is a Transformer in the Beast Wars Universe. He is one of the Maximals stationed on the planet Gaea. His beast mode is a Fidder Crab. He is formerly teamed with Big Convoy and the two were considered an unstoppable duo. He remains one of Big Convoy’s best friends and they look up to each other as equals. He is a wandering warrior who fights whatever Predacon menace he encounters and does so with deadly efficiency. While he chooses a life of solitude, he periodically looks in on his old pal, Big Convoy, to see how he’s doing.