Canine social media sensation Tuna (@tunameltsmyheart) played "Santa Paws" at the Best Friends Animal Society Pet Adoption & Spay/Neuter Center in Mission Hills, CA on Sunday, Dec. 21. The rescued Chihuahua, who has close to 1 million Twitter followers, encouraged guests to bring a toy or food item to help the homeless pets at the center. Tuna is shown here with the donations.

Photo credit: Best Friends Animal Society