During the song to coax Felix out of the bathroom, the lyrics reveal that he is the one who poked out Calvin Fishoeder's eye.
This is the second character Zack Galifinakis voices in the series. Here he voices Mr. Fischoeder's brother, Felix, and previously he voiced Chet in S3E9- Bob Rest Ye Merry Gentle-Mannequins.
Store next door: Get a Loom You Two! Couples Weaving
Burger of the Day: Sweet Home Avocado Burger; To Err is Cumin Burger; A Tune Burger; I Came, I Slaw the Coleslaw Burger
Exterminator: Rats Gotta Hurt Pest Control