dean was the voice of lincoln loud in the nickelodeon animated series, "the loud house" after replacing grant palmer in 2016. collin dean is also known for guest starring in the cartoon network animated series "adventure time" as "tiffany," and for his background role in "hotel transylvania". dean also had a minor role as one of the campers in the "american dad!" episode, "camp campawanda," and co-starred with elijah wood in the 2014 cartoon network miniseries "over the garden wall."