Mr. Grouper's References
Mr Grouper in the episode Boy Meets Squirrel!
It's time for trivia!

  • Mr. Grouper's voice actor, Tino Insana, is well known for playing Dr. Reginald Bushroot in Darkwing Duck, Uncle Ted in Bobby's World and Pig in Back at the Barnyard. He sounds similar to the late John Candy.
    • ​Mr. Grouper's singing voice, Chris Phillips, plays various background characters within the show. He was the original voice of Face, one of Nick Jr.'s previous mascots. He also does voiceover work for Nickelodeon's promos and commercials.
  • Mr. Grouper is the only main character who is not introduced in the Bubble Guppies Theme Song.
  • Mr. Grouper is the only major Bubble Guppies character to not play an electric guitar in an episode of Bubble Guppies.
  • For some reason, Mr. Grouper's name is "Professor Cooper" in the European French Dub.
    • His name is "Signor Cernia" in the Italian Dub, which translates to "Mr.Grouper"
  • Mr. Grouper and Nonny are usually the only ones to answer questions from the guppies. (Aside from when asking a question to a character such as a crab or snail.)
  • On March 1st, 2013, the Bubble Guppies Facebook page asked the fans to vote on their favorite character, and Mr. Grouper was in last with only 3 votes.
  • Mr. Grouper has three catchphrases:
    • "Well, good morning everyone!"
    • "Excuse me, what time is it?"
    • "Line up everybody, it's time to go outside!"
  • When some episodes were used as Noggin's Play-Along videos, some of Mr. Grouper's lines were overdubbed by Fred Tatasciore since Tino Insana passed away on May 31, 2017.