This Jan. 29, 2014, photo provided by Courtney Dasher, shows her dog, "Tuna" in Los Angeles. Dasher rescued the Chihuahua-dachshund mix with the bug eyes, big nose and infamous overbite in 2010. Animal lovers eat up the snapshots of dogs doing the darndest things, giving Tuna insta-fame on Instagram. Dasher, who says Tuna resembles Mr. Burns from “The Simpsons,” started @tunameltsmyheart in 2011. ( AP Photo/Courtney Dasher)
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