Thought I'd give it a shot.
Monkey
Average Height: 3' 8"- 4'
Average Weight: 60-80 lb.
Ability scores: +2 DEX, +2 CHA
Size: Small
Speed: 7 Squares
Vision: Normal
Languages: Common, choice of one other.
Skill Bonuses: +2 Athletics, +2 Acrobatics
Beast Origin: You are considered a Beast for the purpose of determining creature origin.
Prehensile Tail: You may pick up an object adjacent to you that weighs no more than ten pounds as a minor action.
Beast Communication: You may communicate with monsters with the Beast origin.This does not affect the creature's intelligence.
Human Relative: You may take any feat with the Human prerequisite, as long as you meet all other prerequisites.
Work in progress! Comments appreciated!