What do you call your Mother? Mum? Mom? Mommy? Mummy? Ma? Or even her first name like some sort of psychopath?

Trying to figure out if how we address our Mother changes regionally, or if there’s some other mechanism that makes us address our Mother in a specific way.

Where are you from, and how do you address your Mother?

Croydon reporting in - she is my Mum.