| Chet Simpson|
|Chet and Homer.|
|Occupation||Runs an unsuccessful shrimp company|
|Relatives|| Father: Orville Simpson|
Mother: Yuma Hickman
|First Appearance||"Lisa the Simpson"|
|Voiced By||Dan Castellaneta|
Chet Simpson, also known as Great Uncle Chet, is Lisa's great uncle who runs an unsuccessful shrimp company. Since he inherited the Simpson's gene, he must be Abe's brother and Homer's paternal uncle. Judging from his looks he is most likely the youngest of Abe's brothers.