You later also see another Gulper in a Vault 4 containment tank ... of Enclave scientists and come in many forms. They're probably the most infamously large and scary creature the Fallout series ...

Up until that point Titus seemed like a stoic, indomitable tank of a man ... of which we end up seeing quite a bit in Fallout 3, where Enclave bases feature domesticated deathclaws who don ...