Subject 13

Subject 13 was a test subject in service to Vault-Tec Corporation before the Great War.

Background
Subject 13 was used by Vault-Tec to test their mood-enhancing soda fountain, created with chemicals from HalluciGen, Inc. This didn't turn out well for Subject 13, who eventually ended up staring at their hand for 13 hours straight.

Appearances
Subject 13 is mentioned