A friendly smile or a dagger in your back, it's all the same to him.

Male Human Rogue 6 (CR 6)

NE Medium Humanoid (Human, Shapechanger)
Init +3; Senses Low-Light Vision, Scent; Perception +11

AC 18, touch 15, flat-footed 14 (+3 armor, +3 Dex, +1 deflection, +1 dodge)
hp 42 (6d8+12)
Fort +4, Ref +8, Will +2
Defensive Abilities Evasion, Trap Sense +2, Uncanny Dodge

Speed 30 ft.
Melee Dagger of Venom +9 (1d4+1+poison - Wyvern poison)
Special Attacks Sneak Attack +3d6

Str 11, Dex 16, Con 14, Int 10, Wis 11, Cha 13
Base Atk +4; CMB +7; CMD 19
Feats Agile Maneuvers, Alertness, Deceitful, Dodge, Rogue Weapon Proficiencies, Weapon Finesse, Weapon Focus: Dagger
Skills Acrobatics +12, Appraise +6, Bluff +12, Diplomacy +6, Disable Device +12, Disguise +8, Escape Artist +9, Intimidate +7, Linguistics +5, Perception +11, Sense Motive +11, Sleight of Hand +12, Stealth +12, Swim +6, Use Magic Device +7
Languages Common, Dwarven, Gnome
SQ Change Forms (Su), Curse of Lycanthropy (DC 15) (Su), Lycanthropic Empathy +11 (Ex), Resiliency (1/day) (Ex), Trapfinding +3
Combat Gear Dagger of Venom, +1 Leather; Other Gear Potion of Cat's Grace, Potion of Cure Serious Wounds, Potion of Invisibility, Ring of Protection, +1

Agile Maneuvers Use DEX instead of STR for CMB
Change Forms (Su) Change into Hybrid or Animal forms.
Curse of Lycanthropy (DC 15) (Su) Bitten enemy must pass DC 15 Fortitude save or contract lycanthropy.
Evasion (Ex) If you succeed at a Reflex save for half damage, you take none instead.
Low-Light Vision See twice as far as a human in low light, distinguishing color and detail.
Lycanthropic Empathy +11 (Ex) Improve the atttitude of your type of animal, as if using Diplomacy.
Poison (Wyvern poison) - see Pathfinder RPG Core Rulebook.
Resiliency (1/day) (Ex) 1/day at 0 HP, gain 6 temporary HP.
Scent (Ex) Detect opponents within 15+ feet by sense of smell.
Sneak Attack +3d6 +3d6 damage if you flank your target or your target is flat-footed.
Trap Sense +2 (Ex) +2 bonus on reflex saves and AC against traps.
Trapfinding +3 +3 to find or disable traps.
Uncanny Dodge (Ex) Retain Dex bonus to AC when flat-footed.