Orc Wizard. 22 Str. 14 int. Focused specialist Transmuter. Fist of stone + Enlarge Person. Invisibility and haste to taste. If you really want to have fun...

Wizard 1 (focused specialist)/Barbarian 2/Fighter 2

2 bonus feats, rage, fast movement, uncanny dodge, and self buffs.

BAB +4 at level 5, With Fist/Enlarge/Rage, you'll be swinging a 34 Str, for a +15 to hit. Whack things.