Add Yahoo as a preferred source to see more of our stories on Google. “Mr. Yuk is Mean! Mr. Yuk is Green!” Bring back any memories for you? Or has your first-grader come home singing the Mr. Yuk song?

PITTSBURGH (KDKA) -- Pittsburgh's very own guy in green is making his debut. There's a brand new mascot for the iconic Mr. Yuk. There's just something about a mascot in a costume that Pittsburghers ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PITTSBURGH (AP) — Dr. Richard W. Moriarty, a ...

Ed Krenzelok of the Pittsburgh Poison Center at Children’s Hospital displays ‘Mr Yuk.’ A St. Paul, Minn., councilman used the likeness on signs and attracted the center’s copyright lawyers. AP file ...

PITTSBURGH — The man who came up with the “Mr. Yuk” symbol to warn kids of poisons has died. Moriarty died peacefully on Sept. 7, according to his obituary. University of Pittsburgh Medical Center ...

“Mr. Yuk is Mean! Mr. Yuk is Green!” Bring back any memories for you? Or has your first-grader come home singing the Mr. Yuk song? Does he or she want help to point out signal words on household ...