Mr. Yuk is not dead, yet. Created in 1971 by the Children?s Hospital in Pittsburgh, the round-faced, green Mr. Yuk warning stickers may be too bright, bold and attractive for smaller children ...

PITTSBURGH (KDKA) - The creator of the famous "Mr. Yuk" warning stickers was honored by the City of Pittsburgh. On Tuesday, the City of Pittsburgh honored Dr. Richard Moriarty, a retired ...

On every Mr. Yuk sticker you will see the name of the nearest poison center and the national toll-free poison help telephone number: 1-800-222-1222, UPMC explains.