Mr. Yuk is still Mean. Mr. Yuk is still Green. Mr. Yuk still can be seen. He’s turning 50. That fluorescent green face inside the circle means: Stay away. Created by Dr. Richard Moriarty in ...

William Robertson, poses for a photo with the "Mr. Yuk" symbol Monday, Nov. 20, 2006, in his office in Seattle. Robertson, who helped pioneer the idea of poison centers.

Newen Connect has closed major sales on 'Kina & Yuk,' a family adventure from the team behind 'Ailo's Journey,' ahead of Unifrance. Plus Icon Film Plus Icon TV ...

Dr. Richard Moriarty, builder of Pittsburgh Poison Center and creator of Mr. Yuk dies at 83 00:29. PITTSBURGH (KDKA) -- Dr. Richard Moriarty, the Lawrenceville native who built the Pittsburgh ...