You can hate on him, but he probably has more likes on one Instagram photo than you’ll ever have in total.

"Tuna Melts My Heart" is a chiweenie — for the uninitiated, that's a mix of of Chihuahua and dachshund — with more than 1.8 million Instagram followers and a notable overbite.

He and his owner Courtney Dasher  — who signs her emails "Tuna's mom :)" — will be at Best Friends-Atlanta in Smyrna on Tuesday from noon to 1 p.m., according to their Instagram page and website.

Tuna’s 2017 “Traveling Tuna” calendar will be available for $10 cash. A portion of the proceeds will benefit Best Friends.

Tuna and Dasher appeared at the shelter, 4874 S. Atlanta Road, in December for a Christmas event.

At the time, Dasher told The Atlanta Journal-Constitution she’d lived in Midtown and Brookhaven doing interior design work from 2005 to 2009.

In addition to filling the Internet with his dental adorableness, Tuna has a book with a tagline of "The Underdog with the Overbite."

And for those unacquainted with Tuna, here are some highlights from Instagram:

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