Keenan was married three times. His first two marriages ended in divorce.
Keenan was 5'10" tall.
Keenan's daughter died in her early 20s from cancer.
Keenan is the son of actor Ed Wynn.
Keenan: I do not consider myself a star. I'm a craftsman and I know my craft.
Keenan: My billing has always been; 'and', or 'with', or 'including'. That's all right; let the stars take the blame.