Maybe not DiSers who have been in proper, world-touring bands, more just those who have played the odd local gig and one of the bands you've played with have done alright.

Old improve metal project was supported by Sleaford Mods 4-5 years ago, and they're doing alright now.
Supported My Psychoanalyst who should've been quite a bit bigger than they were, and Alright The Captain and Cheap Jazz who are good, honest, god-fearing math-rock acts.

4/10 thread.