March 12, 2015 12:37 PM EDT

A Tennessee waitress is overwhelmed with gratitude after a customer left her an especially generous tip.

ABC’s Good Morning America reports that an unidentified customer at Mac’s Grub Shak in Spring Hill left a $36 tip for waitress Claire Hudson, 25, even thought the bill only came out to about $30. She told the network that he left a note on the receipt saying his brother would have turned 36 that day, and “Every year I go eat his favorite meal (hot dogs) and tip the waitress his age. Happy B-day Wes.”

Hudson posted the story on the social networks Reddit and Imgur before bed, and when she woke up, it had been viewed more than a million times.

The restaurant wants to find the mystery patron so they can find out what toppings Wes liked on his hot dog and name one after him.

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Write to Olivia B. Waxman at olivia.waxman@time.com.

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