Snafu Situation Normal All Fouled Up

Snafu was originally a World War II-era military acronym standing for "situation normal: all fucked up." These days, a snafu is any mistake or problem. ... Back in the military, a snafu would have been a dangerous situation, but this word is used now for any kind of goof-up.

Private Snafu Cartoon character
Private Snafu is the title character of a series of black-and-white American instructional cartoon shorts, ironic and humorous in tone, that were produced between 1943 and 1945 during World War II.
Voice: Mel Blanc
Release date: 1943–1946
Production company: Warner Bros. Cartoons
Produced by: Leon Schlesinger
Written by: Theodor Geisel, P. D. Eastman, and Munro Leaf