Abraham Jedediah Simpson II, also known as "Grifty McGrift" and commonly known as "Grampa Simpson", or simply as "Grampa", (born 1907) is the patriarch of the Simpson family, the father of Homer, Herbert and Abbie Simpson, father-in-law of Marge Simpson, and the paternal grandfather of Bart, Lisa, and Maggie Simpson.
Appearances in Halloween specials[]
- "Treehouse of Horror III"
- "Treehouse of Horror IV"
- "Treehouse of Horror V"
- "Treehouse of Horror VI"
- "Treehouse of Horror XIV"