Born in California, Funches spent his early life in Chicago before relocating to Salem, Oregon, as a teenager. He began his comedy career in Portland, Oregon, at age 23. After moving to Los Angeles in 2012, he began appearing as a guest on several comedy series, including @midnight, Mulaney, and the Kroll Show.
From 2014 to 2016, Funches starred as a regular on the NBC series Undateable, and in 2015, began performing as a voice actor on such series as BoJack Horseman, The Adventures of Puss in Boots, and Adventure Time. He subsequently performed the voice role of Cooper in the animated film Trolls (2016). He also had guest-starring roles on a number of television series, including Transparent (2016), Black-ish (2017), and reprised the role of Cooper in the Trolls spin-off series Trolls: The Beat Goes On! (2018) and Trolls World Tour (2020).