Mick appears 63 times at rank 1631 on male pets. It's a one-syllable nickname, traditionally short for Michael, that carries a specific cultural flavor: working-class British, rock-and-roll adjacent, and always slightly swaggering. On a dog, that swagger reads as personality before the dog has done anything to earn it.
The Rock-and-Roll Association
Mick Jagger is the unavoidable reference point: fifty-plus years of stage presence, impossible to ignore. Naming a dog Mick is a mild tribute to that energy. The name also carries echoes of Mick from Rocky, gruff, loyal, refuses to quit, which gives it a second character brief for owners who lean athletic rather than musical.
Sound and Breed Fit
MICK is one syllable, hard consonants, stops cleanly. It projects well and commands attention without shouting. The name suits terrier-type dogs with independent streaks: Airedales, Staffies, and any mixed breed with the confident self-assured energy the name implies. The human-name comparison is at /names/mick.
The Counter-Reading
Mick works best when the dog has enough personality to justify the reference. A docile, people-pleasing breed named Mick will spend its life gently undermining the rock-star brief. For a dog with genuine attitude and independent spirit, the name fits like it was always there.