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