Kirby served a full-time mission for The Church of Jesus Christ of
Latter-day Saints in the Dominican Republic.
He is known for his ability to do "voices" and characters. He has a
wide range of domestic accents; foreign accents include: Proper
English, Cockney, Scottish, Irish, Spanish, German, Indian and Slavic.
In December 2003, he moved his family to Los Angeles where they planned
to remain for at least seven years.
I certainly don't think I'm the most talented actor, here or anywhere.
I do think I might be the luckiest one, though. I've either auditioned
very well or people just seem to like me. Either that, or they've
pitied me and given me jobs. That really is something I should look
into. (Interview with Jeff Vice, Deseret Morning News, 20 Feb 2004)