There are at least 3 artists named Grover: 1. Sesame Street, New York City, New York (1967 - present) Originally played by Frank Oz and now portrayed by Eric Jacobson Grover is a valiant, caring blue monster who is chock-full of childlike exuberance. The boisterous little monster often gets himself into pickles by rushing into situations without weighing the consequences. Excitable Grover loves to explain new concepts, though he sometimes has a tough time expressing his thoughts clearly.