This cat Pokemon is one of the most recognizable, thanks in large to being the talking mascot of Team Rocket in the anime.
Meowth
"Welcome to die!"
X-Men: The Arcade Game
This dog would appear in multiple Fallout games and could be recruited as a companion.
Dogmeat
Titan
Overwatch
Lee Everett
The Walking Dead: A Telltale Game Series (Season 1)
This Sonic character is a gentle giant being laid back and loves to fish.
Big the Cat
"I am Error"
Zelda II: The Adventure of Link
He's popular. He's the musician everyone loves. And you can find him in every Animal Crossing game.
K.K. Slider
Prince of Persia: Assassin
Assassin's Creed
Lincoln Clay
Mafia III
This Microsoft cat had to rescue the princess and save a world from a gang of pigs using a vacuum cleaner.
Blinx
"All your base are belong to us"
Zero Wing (Megadrive)
DD, D-Dog, or Diamond Dog
Overstrike
Fuse (Insomniac Games)
Daisy Fitzroy
Bioshock 2
This beloved Persona 5 cat loves to command your days, but on the flip side, can transform into a bus when traversing Mementos.
Morgana
"Conglaturation!!!
You have completed a great game.
And prooved the justice of our culture.
Now go and rest our heroes!"
Ghostbusters (NES)
First appearing in Mega Man 3, this robotic dog would appear as a support unit for Mega Man.
Rush
Race 'n Chase
Grand Theft Auto
Emmett Graves
Starhawk
A bigger name in Japan than in the west, this white Sony mascot is most recognizable to those in the US as "that cat from PlayStation All-Stars Battle Royale"
Toro Inoue
"Congraturation
This story is happy end
Thank you"
Ghosts 'N Goblins (NES)
This dog of Rinoa's in Final Fantasy VIII was an integral part for her limit breaks.
Angelo
X-Isle: Dinosaur Island
Far Cry
Sazh Katzroy
Final Fantasy XIII