Thaddeus is a light green cucumber fish and main citizen of Bikini Bottom. He is green with an orange shirt. He is also seen at the Krusty Krab a lot.
- "Where's our food?!"
- "No, I'm not"
- "Or knitting fluffy sweaters!"
- "Uhh, I think I'll have a Krabby Patty!"
- "I got the clarinet!"
- Hey, I didn't order a table patty!