Josiah W. Dogbolter

Josiah W. Dogbolter appeared to be a half man half frog. He ran originally ran a business known as Intra Venus Inc. Dogbolter knew of both the Fifth and Sixth Doctors. (DWM: The Shape Shifter)

Dogbolter owns several companies and in many cases entire planets, Celeste being one of them (a mining planet). (DWM: The Moderator)

Behind the Scenes
Josiah Dogbolter is one of the Marvel Comics characters that made the jump to another Marvel Comic, namely Death's Head (Issue 8).