Jim Steinman. Yeah, he’s not the coolest guy in the room But I have a long-standing admiration for a dude who just can’t do anything except be HUGE and ridiculous and go to extremes.
CV as writer/producer includes: Bat Out of Hell, Total Eclipse of the Heart, All Out of Love, I Would Do Anything for Love (But I Won’t Do That) Rock and Roll Dreams Come Through (which he recorded by himself because Meat Loaf wouldn’t do it - the album version is amazing - it fades out and then comes back in with only vocals). and ‘It’s all Coming Back to Me Now’ by Celine Dion. All bonkers over-the-top maximalist theatricality that you can totally attribute to his style.
He also produced This Corrosion by Sisters of Mercy, which is nuts, and Never Forget by Take That, which everyone remembers as their swansong even though it wasn’t. I guess to many people he is the Michael Bay of music, but I kind of like that