Cloudburst

Cloudburst Function:Space Defense "You can't tell a bot by his cover."

Cloudburst is aggressive, witty and charming but only when hiding in his outer shell. Wary of everyone and everything especially Decepticons he uses his outer shell to disguise his dull personality as well as himself. Reluctant to leave his outer shell so he can transform into an interplanetary star cruiser, armed with particle beam cannon. Within his shell, Cloudburst is armed with a lightning whip and thunderbolt laser pistol.

From Teletraan I: The Transformers Wiki, a Wikia wiki.