Grover Cleveland is the 22nd and 24th President of The United States of America. He appeared as a talking picture in "Trump Guy".
In a deleted scene from "Trump Guy", when Peter tells Donald Trump that he'll never be a great president compared to the likes of Franklin Delano Roosevelt or Abraham Lincoln. He also points to Cleveland before realizing that he doesn't know who he is. Cleveland reminds him but also points out that he married a girl that he'd raised since age 11, causing Stewie to note that he wouldn't be getting a musical.