Here is a list of my favorites (I hope a number of them hadn't been mentioned yet):
- Kelpo Cereal, Snail-Po, Krabby Patties, Kelp Fries, Diet Dr. Kelp, and Triple Goober Berry Sunrise (all from Spongebob)
- Jolly Olly Ice Cream (from Hey Arnold)
- Invader O's (from The Fairly Odd Parents)
- Chokey Chicken (from Rocko's Modern Life)
- Kavity Krunch (from CatDog)
- Duff Beer, Krusty O's, Cheesus H. Rice, Jumbo Cherry Squishees, Jackie-O's, Buzz Cola, and Krusty Burgers (all from The Simpsons)
- Honker Burgers and Bluff Scout Booster Bars (both from Doug)
- Reptar Cereal, Fudgy Ding-A-Ling Bars, and Dummi Bear Sugar Lumps (all from Rugrats)
- Rockenshpeel Fine Foods (from the Flintstones)