El Señor

 is a basic mule found south of the border in Mexico in Red Dead Redemption as well as being the starter mount available to new players in multiplayer. His deed can be purchased from the Chuparosa general store for $100, allowing the player to select him at any time.

Description
El Señor is the slowest mount in the game. It cannot carry any hogtied people and it can't jump.

Trivia

 * El Señor means "The Gentleman" in Spanish.
 * Despite being labeled as a mule in-game, El Señor has the physical characteristics of a donkey.
 * If you don't want to ride him, and wish to take a horse without trouble with marshals, switch to fist and simply push or punch a NPC Rider off and quickly take the horse before it runs, as it is proven that stealing it from under him is a crime rather than taking when he is not on.

Gallery
Mula