This may not be helpful but he gets bigger and has boxing gloves XD
AND his name is primape.heres the link to all the info: http://www.serebii.net/pokedex-dp/057.shtml#general
by judment mankey would evolve around Lv. 28.
Mankey evolves at level 28.
Mankey evolves into Primeape at level 28.
mankey evolves at level 30-35
mankey evolves into a primeape on level 28
Mankey evolves into Primeape at level 28
28th level
Mankey evolves into Primeape starting at level 28.
Mankey evolves at level 28.
Mankey will evolve into Primeape in level 28. Mankey is a Pig Monkey Pokemon, and can learn karate chop, and close combat, among other moves.
Mankey evolves into Primeape by leveling up to level 28.
Mankey evolves into Primeape starting at level 28.