You probably aren't familiar with it if you aren't interested in the backrooms lore, but there's an entity with this name! Jerry is a blue parrot that can control minds. He has a cult.
The Character Jerry from the Television show Tom and Jerry is a Mouse, and he always likes to cause mischief whenever he can, he's a pest. Tom is a cat, and he can be rude to Jerry. He also tries to murder Jerry sometimes, but in some episodes you can see Jerry asking Tom to chase him. In the end I guess they're frenemies who have a love-hate relationship. (I like that show)
Singer Jerry Reed (1937-2008) wrote "When You're Hot, You're Hot" and "East Bound and Down" for the 1977 film "Smokey and the Bandit" among other songs.
Comedian Jerry Lewis was actually born Joseph Levitch. He used the professional name Joey Lewis, but soon changed it to Jerry Lewis to avoid confusion with another comedian and a boxing champion.
Jerry B. Jenkins is the name of a famous author. He has written many books for youth and adults. The Left Behind series for adults, the Left Behind series for children, the Red Rock mysteries for youth, and many others. Jerry is not considered famous by many, but if you've got your name out there on something big for people to see, like a book or two, then I'd consider you famous.
The late Jerry Orbach, best known as playing Det. Lennie Briscoe on the original Law & Order (my absolute favorite character on the show). Also played the father in the original "Diry Dancing" and was a prominent actor on Broadway.