|Full Name||Brother Adrian|
|Businesses||Children of the Mountain|
|Voiced by||John Keating|
Brother Adrian is, in 2013, the British head of Children of the Mountain cult, which is based on Strawberry Ave in Strawberry, Los Santos, having taken control after a legal battle with founder Darius Fontaine. He appears on West Coast Talk Radio being interviewed by Michelle Minx and Lazlow where he states that it is a 'fellowship' and not a cult. Brother Adrian also emails Franklin Clinton about joining the group and after completing the steps on their website. he sends Franklin a t-shirt.
- Brother Adrian, despite being Welsh, speaks with an Irish accent.