Career
His first creation for Jim Henson was Rowlf the Dog, which he built in 1962 for a series of Purina Dog Chow commercials. Don would go on to design and build most of the Muppet characters, including Bert and Ernie, Grover, and Cookie Monster among others His character designs are often recognizable for their spheroid heads partially bisected to create large mouths.
The series finale of Fraggle Rock is also dedicated to him.
After all the regular credits have been shown, a special cr appears which reads "This show is for Don Sahlin".