Skinwalker
http://www.d20pfsrd.com/races/other-races/more-races/standard-races-1-10-rp /skinwalkers-10-rp
Brawler
http://www.d20pfsrd.com/classes/hybrid-classes/brawler
Maybe the Strangler archetype would be good for them, since it replaces Brawler's flurry?
http://www.d20pfsrd.com/classes/hybrid-classes/brawler/archetypes/paizo---b rawler-archetypes/strangler