The person or character chosen must be famous or well-known. No vanity references like a person’s father or a high school friend. The person or character can either be real or fictitious. Examples could be “King Kong”, “Oprah Winfrey”, or “Dr. Seuss”.
If they guess their character correctly, everyone else but them must finish their drinks. If they guess their character incorrectly, they would need to finish their drink alone.