Leonardo de Fishio. I named him Leo, because he was the king of the tank. From there he evolved to Leonardo. My husband came up with the de Fishio part. Now my husband calls him "Leonard"
Lol, it fits: There isn't really much to him, except for terrorizing everything, wanting to take over the world and attacking people by surprise.
Home base is a cave, and he won't give up.
He doesn't know we could squish him like a bug.
;-)