Larry the Cucumber is, as his name implies, a cucumber. He is Bob's best friend.
History of the Character
According to the regular show of VeggieTales, he has acted as co-host for the show with Bob, such as Lyle The Kindly Viking and Where's God When I'm S-Scared?. He was replaced as host in Josh and the Big Wall and Abe And The Amazing Promise by Junior Asparagus and in Sumo of the Opera by the little cucumber puppet Lutfi.