Azrael

Azrael : Gargamel has a long-suffering sidekick named Azrael (not "Azreal" or "Azrial"). Azrael is a tough, mangy cat who compounds the Smurfs' problems when they're being chased by Gargamel

And Here some of the smurfs Characters

Papa Smurf is the leader of the community. Other Smurfs are generally named after their personality disposition, for example, Brainy, Greedy, Vanity, Lazy, Clumsy, Hefty, Jokey, Dreamy, Grouchy, or their profession, for example, Poet, Actor, Handy, Harmony, Farmer, Clockwork, Painter, Tailor, Miner, Architect, Reporter, Timber, Barber and Doctor Smurf. Other Smurf characters include Gutsy Smurf and Smurfette. Smurfette was created by Gargamel to lure the other smurfs. Papa Smurf then changed her into what we see today. The non-Smurf characters who would appear later would include their enemies the wizard Gargamel, his cat Azrael, and Gargamel's godfather Balthazar; and their friends the page Johan and his young friend Peewit, and the wizard Homnibus.