Parnell voiced Fly in the animated films "Hotel Transylvania" and "Hotel Transylvania 2", and Stan the Fishman in "". He is a series regular on the FX animated series "Archer", and is also known for his guest appearances as Dr. Leo Spaceman on "30 Rock". He provides the voice of the narrator on the PBS children's series "WordGirl". From 2011 to 2014, Parnell co-starred on the ABC comedy series "Suburgatory" where he played the husband of the character played by his former "SNL" castmate Ana Gasteyer. His role started out as recurring in the first season but he was bumped up to a series regular in the second season. The series aired for three seasons on ABC.