Actor. Popular movies: The Land Before Time VI: The Secret of Saurus Rock (1998), The Land Before Time VII: The Stone of Cold Fire (2000), The Land Before Time XIII: The Wisdom of Friends (2007)
Actor. Popular movies: The Land Before Time V: The Mysterious Island (1997), The Land Before Time VIII: The Big Freeze (2001), The Land Before Time XI: Invasion of the Tinysauruses (2005)
Actor. Popular movies: The Land Before Time: The Great Valley Adventure (1994), The Land Before Time IV: Journey Through the Mists (1996), The Land Before Time V: The Mysterious Island (1997)
Design. Popular movies: The Land Before Time VI: The Secret of Saurus Rock (1998), The Land Before Time IX: Journey to Big Water (2002), The Land Before Time X: The Great Longneck Migration (2003)
Editor, Actor. Popular movies: The Land Before Time: The Great Valley Adventure (1994), The Land Before Time III: The Time of the Great Giving (1995), Balto II: Wolf Quest (2002)
Writer, Composer, Producer. Popular movies: The Land Before Time (1988), An American Tail (1986), The Land Before Time: The Great Valley Adventure (1994)