Ethan Farmer (Lionel Richie, Babyface, Backstreet Boys etc.) isn’t exactly a youngster but definitely a monster. Robert “Bubby” Lewis (Snoop Dogg) is also worth checking out.
Slightly off topic, but have you listened to this?
https://www.bbc.co.uk/sounds/play/p093gdhc
part of the BBC‘s 5 years content. This episode is made entirely of interviews with him.