Buster Witwicky (G1)

Buster Witwicky is a sex crime waiting to happen

Son of Sparkplug Witwicky in various comics continuities, Buster Witwicky is a human friend of the Autobots.

Dreamwave Continuity

Following his father's death, Buster racked up enormous gambling debts, which Spike ended up having to pay off. Buster subsequently joined the military.

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