John "Jackie" McDonald is a Northern Irish loyalist and the incumbent Ulster Defence Association (UDA) brigadier for South Belfast, having been promoted to the rank by former UDA commander Andy Tyrie in 1988, following John McMichael's killing by the Provisional IRA in December 1987. He is also a member of the organisation's Inner Council and the spokesman for the Ulster Political Research Group (UPRG), the UDA's political advisory body.

Andrew Tyrie is a Northern Irish loyalist paramilitary leader who served as commander of the Ulster Defence Association (UDA) during much of its early history. He took the place of Tommy Herron in 1973 when the latter was killed, and led the organisation until March 1988 when an attempt on his life forced him to resign from his command.