Dr. Richard Moriarty created the green sticker for people to place on their dangerous household products.

By: KDKA-TV News Staff

PITTSBURGH (KDKA) — We want to wish a happy birthday to Pittsburgh icon “Mr. Yuk.”

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(Photo Credit: KDKA)

The sticker turns 50 years old this week.

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Back in 1971, Doctor Richard Moriarty created the green sticker for people to place on their dangerous household products.

And if it scared you as a kid, that was the point. Moriarty showed the sticker to kids, one of whom said, “That looks yucky.”

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The doctor also founded the Pittsburgh Poison Center Network in 1973.