“Please help me find a replacement for a lost ‘best friend,’” a person who goes by piper2010cameron wrote in an online post. “I have searched everywhere.” The description of the missing companion: A tiny stuffed tiger with orange and black stripes, a small triangular nose and a fuzzy white belly. And then there came this heartbreaking line: “My poor kiddo has been asking why ‘Itsy Bitsy’ hasn’t come home and it kills me.”

In one of the kindest corners of the internet lives the HelpMeFind subreddit . There, redditors seek assistance in locating everything from the brand of a Russian chocolate bar to the name of the artist who draws comics on napkins to a place that sells this delightfully weird hedgehog bumper sticker . A hefty portion of the posters are parents, particularly moms and dads of young children who have lost an adored stuffed animal, or “lovey.” There’ve been pleas for help in finding duplicates of an alpaca with a polka-dot bandana that was forgotten in a hotel room, a monkey that was left at karate class, and a duck that belonged to a child awaiting a transplant. Sometimes, the parents never made note of the brand or the tag had worn off. Other times, they had gone online to purchase a replica only to learn the product is no longer sold. In a final act of desperation, they turn to their fellow redditors, who scour the internet for a match.

“Are either of these close at all to the right style/shape?” someone asked, responding to a poster who was looking for a replacement for their daughter’s favorite stuffed owl, a gift from her grandmother.

“You’re a lifesaver!” the parent wrote. “Thanks so much! She’ll be overjoyed!”

Sadly, not every lost friend is found. The search is still on for Itsy Bitsy and many other beloved pals. If you happen to spot them online, head to the subreddit and make a kid happy—and his parents very, very relieved.

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Here are some tips for finding a replica of a lost lovey: