TODAY contributor Katie Linendoll instantly fell in love with Tuna, and made her best Tuna face.Brandon Goodwin / TODAY / Today
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By Brandon Goodwin
Maybe it's appropriate that the dog with the most famous overbite on the web is named Tuna, because he's melting the hearts of thousands.
Tuna has plenty of reasons for his so-strange-it's-adorable smile: a massive fan base of 130,000 Instagram followers. His toothy grin became famous after his owner, Courtney Dasher, noticed his eerie resemblance to Mr. Burns, the iconic skinflint on "The Simpsons."
Since Dasher created the Instagram account @tunameltsmyheart, Tuna's fame has expanded well beyond the bounds of his Los Angeles home. The charismatic chiweenie (that's a Chihuahua-dachshund mix) also captivated the TODAY greenroom when he visited Studio 1A in person Friday. See for yourself: