"SpongeBob SquarePants". BehindTheVoiceActors.com. Archived from the original on October 29, 2013. Retrieved October 30, 2013. Note: Click on the various characters under "Guest Stars" to reveal a character's voice actor or actress.
Rae, Fiona (September 26, 2009). "Paul Tibbitt interview". New Zealand Listener. Archived from the original on November 2, 2013. Retrieved May 25, 2013.
Richmond, Ray (January 15, 2004). "Special Report: Animation". The Hollywood Reporter. Archived from the original on March 10, 2008. Retrieved May 22, 2013.
Rae, Fiona (September 26, 2009). "Paul Tibbitt interview". New Zealand Listener. Archived from the original on November 2, 2013. Retrieved May 25, 2013.
Richmond, Ray (January 15, 2004). "Special Report: Animation". The Hollywood Reporter. Archived from the original on March 10, 2008. Retrieved May 22, 2013.
"SpongeBob SquarePants". BehindTheVoiceActors.com. Archived from the original on October 29, 2013. Retrieved October 30, 2013. Note: Click on the various characters under "Guest Stars" to reveal a character's voice actor or actress.