|Abraham Jebediah "Grampa" Simpson II|
|Name||Abraham Jebediah "Grampa" Simpson II|
|Vehicles and/or Gadgets||None|
|Occupation||Retired War Veteran|
|Residence||Springfield Retirement Castle|
Abraham Jebediah "Abe" Simpson II, also known as "Grifty McGrift" and "Grampa Simpson", or simply as "Grampa", is the patriarch of the Simpson family, the father of Homer, Herbert and Abbie Simpson, father-in-law of Marge, and the paternal grandfather of Bart, Lisa, and Maggie Simpson. He is also the ex-boyfriend of Jacqueline Bouvier, his daughter-in-law's mother.
Abe is a World War II veteran who was later sent to the Springfield Retirement Castle by Homer. He is known for his long, rambling, and often inaccurate stories and general incompetence.
- In the series, he is voiced by Dan Castellaneta, who also voices Homer Simpson, Krusty the Clown, Mayor Quimby, Santa's Little Helper, Groundskeeper Willie, and Hans Moleman.
- Archive audio of Castellaneta's performance from several episodes is used in-game when Abe is talking.