The show's original name, "Bad Seeds", had to be changed, due to copyright issues, into "Harvey Beaks".
C.H. Greenblatt managed to hire much of the show's crew based on their work that he found on Tumblr. Many of them had never had experience in animation prior to working on this show.
Just before the credits of the season one finale, a depiction of Chowder, from the Creator's previous series, can be seen at the party.
Foo was originally voiced by Jackson Brundage, but was replaced later on in season one, by Tom Robinson.