Doppelganger (Rank 4) Edit
The Garou may take the exact likeness of any other human, wolf or Garou. A chameleon-spirit teaches this Gift.
The player spends one Gnosis point and rolls Charisma + Performance (difficulty 8). Traits aren't duplicated, but everything else, including voice, posture and scent, is identical. The effects last for one day per success.
Other terms for this gift are: Moon-Fan-Face-Shadow
Source: 3rd ed WWtA Corebook