"Loan-a Lisa" is the second episode of "The Simpsons"' twenty-second season, in the episode, Lisa helps fund Nelson's bicycle company with money given to her from which animated fictional character, as part of whose inheritance?
Grampa Simpson Abraham Jedediah Simpson II, often known as Grampa, is a fictional character in the animated television series "The Simpsons". He made his first appearance in the episode entitled "Grampa and the Kids", a Simpsons short on "The Tracey Ullman Show". Voiced by Dan Castellaneta, he is the father of Homer Simpson and the grandfather of Bart, Lisa and Maggie Simpson. In the 1000th issue of "Entertainment Weekly", Grampa was selected as the Grandpa for "The Perfect TV Family".
Lenny and Carl Lenford "Lenny" Leonard (or Leonard "Lenny" Lenford) and Carlton "Carl" Carlson are two supporting characters in the Fox animated series "The Simpsons", voiced by Harry Shearer and Hank Azaria, respectively. They are best friends of Homer Simpson and work with him at the Springfield Nuclear Power Plant. Lenny and Carl are rarely seen apart and have a close relationship. Each possesses a master's degree in nuclear physics, but are often portrayed as blue-collar working men.