Kilroy was here is a meme that became popular during World War II, typically seen in graffiti – though its origin predates its use in graffiti by several decades. Its origin is debated, but the phrase
Engraving of Kilroy on the National World War II Memorial in Washington, D.C.
A depiction of Kilroy on a piece of the Berlin Wall in the Newseum in Washington, D.C.
Israeli soldier sleeping during the 1948 Arab–Israeli War, Chad is seen on the wall together with inscription "Wot? No Arabs", November 1948.
Comrades had drawn Chad together with the statement "What no women", the head of Donald Duck and the word "Jampie" on the back of a rain jacket of a Dutch soldier, 1948.
Alfred E. Neuman is the fictitious mascot and cover boy of the American humor magazine Mad. The character's distinctive missing-tooth, smiling face, freckles, red hair, protruding ears, and scrawny bo
Kilroy was here
…Smith, reimagined the character as Killroy [sic], a monster who is, according to Smith, "...A combination of Golem, the Boogeyman, and the Grim Reaper." Alfred E. Neuman, MAD Magazine mascot with the catch phrase "What, me worry?" Henohenomoheji – Face drawn using hiragana characters…
Neuman on Mad 30, published December 1956
Antikamnia tablet calendar (1908)
Postcard with a similar boy and slogan to Mad's Neuman (Longview, Texas, c. 1930–1945)