### Clue: One who takes after Trotter, the western villain? (5,5)
### Answer: HORSE THIEF 
 ### Explanation: Definition: the western villain
 THIEF(a criminal who takes others' stuff) **placed after**(after) HORSE(a trotter being one specially bred for the sport of trotting).
Defn: A criminal in the US Wild Wild West.
And Trotter is the family name of the main characters in the TV series Only Fools And Horses.