The crossword solution for the term 'SIMPSONS GRANDPA' is ABE, which stands for Abraham Simpson. Abraham Simpson is a fictional character in the popular animated television series The Simpsons. He is the father of Homer Simpson and the grandfather of Bart, Lisa, and Maggie Simpson. He is an elderly man who is often seen wearing a hat and smoking a cigar. He is known for his eccentric behavior and his love of gambling.