This isn't about "call you whatever", this is about family names. They were likely born as a Null between a Null and a Null. Null is a valid Irish surname long

This isn't about "call you whatever", this is about family names. They were likely born as a Null between a Null and a Null. Null is a valid Irish surname long before NULL was a type. "I go by throatwobbler mangrove" part compounds on it only if they decide to do so.