The Mariachi Minion is a playable character in Minion Rush. He is only available for a limited amount of time.
The Mariachi Minion is the second character related to a Mexican tradition in Minion Rush with the other being the Tortilla Chip Hat Minion.
In the April Fools' Party, the Mariachi Minion was one of the rewards for collecting all the items.
This is one of three costumes that increase the frequency that a particular power-up appears, the others being the Maid Minion, which increases the chances of getting a Freeze Ray, and the Quarterback Minion, which increases the chances of getting a Mega Minion.