Steve Mason and his dog, George, on the couch
(Source: georgemason35/Instagram)

Steve Mason and his dog, George, on the couch

(Source: georgemason35/Instagram)

Steve Mason and his dog, George, as a puppy
(Source: georgemason35/Instagram)

Steve Mason and his dog, George, as a puppy

(Source: georgemason35/Instagram)

Sean Couturier with Flower, a kitten he adopted from the Philadelphia Animal Welfare Society (PAWS) on June 16, 2014
(Source: facebook.com)

Sean Couturier with Flower, a kitten he adopted from the Philadelphia Animal Welfare Society (PAWS) on June 16, 2014

(Source: facebook.com)

Steve Mason and his dog, George
(Source: masey35/Instagram)

Steve Mason and his dog, George

(Source: masey35/Instagram)

Riley Cote and his dog, Knuckles, for Show Your Soft Side, an anti-animal abuse campaign

(Source: facebook.com)

Riley Cote and his dog, Knuckles, show their support for the One Million Pibble March On Washington
(Source: facebook.com)

Riley Cote and his dog, Knuckles, show their support for the One Million Pibble March On Washington

(Source: facebook.com)

Jaromir Jagr with a black cat

(Source: ok-magazine.ru)

Riley Cote walking his dog, Knuckles, at Lake George

(Source: rileecoyote/Instagram)

Steve Mason and his dog, George
(Source: masey35/Instagram) 

Steve Mason and his dog, George

(Source: masey35/Instagram

Steve Mason and his dog, George
(Source: bluejackets.nhl.com)

Steve Mason and his dog, George

(Source: bluejackets.nhl.com)

Jeremy Roenick and his dog in 2003

(Source: USA Today)

Jaromir Jagr and a dog
(Source: @si_vault)

Jaromir Jagr and a dog

(Source: @si_vault)

Jaromir Jagr and a black cat
(Source: photo.khl.ru)

Jaromir Jagr and a black cat

(Source: photo.khl.ru)

Jaromir Jagr and a black cat
(Source: ok-magazine.ru)

Jaromir Jagr and a black cat

(Source: ok-magazine.ru)

Riley Cote and his dog, Knuckles.
(Source: rileecoyote/Instagram)

Riley Cote and his dog, Knuckles.

(Source: rileecoyote/Instagram)