I'll list mine chronologocally:

The ones who most got my interest in music:

Elvis
Buddy Holly
Chuck Berry
Link Wray and the Wraymen

The one who got me playing music:

Bob Dylan

The ones that influenced me once I learnt up the geetar:

John Prine
Richie Havens
The Byrds
Crosby, Stills and Nash
Neil Young
The Dead
Waylon Jennings
Don Williams

The ones who, after the dull 80's, reinspired me:

Pearl Jam
Stone Temple Pilots
Mother Loves Bone
Smashing Pumpkins
Junkyard
Tesla
Tonic
Poison

Then, life began when after playing folkie/rock/country for 30 some years I discovered the blues:

Son House
Mississippi Fred McDowell
R.L. Burnside
Johnny Shines
T. Model Ford
Jessie Mae Hemphill
Elmore James
Bukka White
Blind Lemon

And those are just for starters...

B~