You can bet that anything animal-related that's popular on the Internet will be criticized and taken legal action against by PETA.
Just ask Nintendo.
"For generations, Pokémon have suffered at the hands of their cruel trainers. Help PETA free Pikachu and his Pokémon friends as they struggle for Pokémon liberation! Pokémon Black & Blue Gotta Free 'Em All!" - PETA
At least they liked Nintendogs.