Remember this? #CheerioChallenge takes social media by storm for Father's Day

Thanks to Patrick Quinn, co-founder of parenting site Life of Dad, fathers around the world are stacking cereal on their sleeping children's heads and sharing the photos on social media with the hashtag #CheerioChallenge.

According to CNN, the lighthearted competition started a few days ago when Quinn was "trapped" under his snoozing 3-week-old son, Maxton, with a bowl of Cheerios nearby. Naturally, he started stacking the cereal on Maxton's nose.

"I'd take a picture but then I'd start laughing and it'd topple over," Quinn said. "So I'd start again, take a picture and it'd topple over. The highest I got to is five."

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Soon after Quinn posted one of his photos to Life of Dad's Twitter account, the challenge quickly spread as dads tried to outdo one another.

Even rapper Macklemore couldn't resist.

"It's pretty bananas how it took off," Quinn told CNN.