Jonnie is a shark who was previously in The Sharks. He only appears in the episode "Sharks vs. Pods" and was injured after performing a dance stunt at the Howlin Marlin, according to Sharkface.


Jonnie is a short shark who is light reddish-gray and reddish-white and has blonde hair. He wears a purple tank top and purple tights.


He is only seen in a flashback where Sharkface explains to SpongeBob what happened to him. Jonnie was performing a dance stunt at the Howlin Marlin, but messed up and ended up destroying the floor with his teeth and injuring himself in the process.


  • Jonnie is the only shark in the gang who has a hair color other than black.
  • Jonnie may never dance in the Sharks again.
  • He is a spoof on Johnny from the book The Outsiders by S. E. Hinton.