Guest Stars Nia Castro voices Bonnie Dee Bradley Baker voices Reindeer Boy Boss Dee Bradley Baker voices Trauma Jon Dee Bradley Baker voices Farmworld Chet Jeff Bennett voices Choose Bruce Jeff Bennett voices Farmworld Dad Maria Bamford voices Farmworld Mom Maria Bamford voices Wildberry Maria Bamford voices Finn's Kid #1 Jeremy Shada voices Ice Finn Jeremy Shada voices Farmworld Finn James Kyson voices Big Destiny James Kyson voices Handbag Helmet Eric Bauza voices Peanut Eric Bauza voices Tromo Eric Bauza voices Tire Seller Tiffany Wu voices Jay Tiffany Wu voices Finn's Kid #2 Mickey Zacchilli voices Little Destiny