Sounds like Gabriel Knight 3's cat-fur-mustache puzzle. For those unfamiliar: You're trying to impersonate someone, so you use a convoluted trap to get some ca

Sounds like Gabriel Knight 3's cat-fur-mustache puzzle. For those unfamiliar: You're trying to impersonate someone, so you use a convoluted trap to get some cat fur, which you use as a mustache. But the person you're impersonating doesn't have a mustache, so you draw one onto his ID with a marker.