Pretty fantastic, right? SarunrunKamui has a bevy of them on deviantART which you should check out, but here are some highlights.
Arcanine, from Pokemon
Espeon and Umbreon from Pokemon
The protagonist of Journey
Ho-oh from Pokemon
Lugia, from Pokemon
Amaterasu, from Okami
You can visit SarurunKamui's Etsy shop here, where you can commission fans.