Based on who you’ve listed I would suggest the following. Davey Pattison , Ronnie James Dio, Paul Rodgers.
Favorite rock/pop male voices
Favorite rock/pop male voices
Emmit Rhodes
Ian Anderson (Jethro Tull)
Rod Stewart
Ian Gillan (Deep Purple)
James Taylor
Justin Hayward (Moody Blues)
Eric Woolfson (Alan Parsons)
Don Henley (Eagles)
Would appreciate your input so I can expand my horizons…