Stephen Keener

Stephen Keener is an American actor. Transformers appears to be his only screen credit. But he could probably be Marshall Efron becase Mr. Efron was also Hun-Grrr. Hmmmmmm.

Voice roles

Generation 1

• Fortress Maximus
• Hardhead
• Hun-Grrr
• Mindwipe
• Scattershot
• Scorponok

External links

• Stephen Keener at the Internet Movie Database