Mutt and Jeff
a very short and a very tall person who are paired as companions, teammates, or associates.
Origin of Mutt and Jeff
First recorded in 1915–20; after the characters in a cartoon strip of the same name created by U.S. cartoonist Harry C. “Bud” Fisher (1885–1954)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019