Lynn Richard "L. R." Loud

Lynn Richard "L. R." Loud is an elderly Freaks in the medical research lab of A.1.1.3 in The Loud House. He trains pigeons and has a particular soft spot for Boofy. The character is inspired by Robert Stroud, the "Birdman of Alcatraz," a prison inmate whose study of birds led to a 1955 book and a 1962 film starring Burt Lancaster.