Father Kinley

"When the Devil finds his first love, evil shall be released."

- Kinley telling Chloe Decker about Lucifer and Eve.

William Kinley, better known as Father Kinley, is the main antagonist of Season 4 of the TV series Lucifer. He is a delusional priest that is obsessed with killing both Lucifer Morningstar and Eve from apparently bringing Hell to Earth.

He is portrayed by Graham McTavish, who also portrayed Zoran Lazarević in Uncharted 2: Among Thieves, the Saint of Killers in Preacher and Joseph Bertrand III in inFamous 2.

Biography
to be further added...

Trivia

 * Kinley is the second main antagonist of the series to not originate from the Sandman comics or any forms of religion and theology, preceded by Malcolm Graham from Season 1.