In no particular order, and these could change any day depending on mood....

Robert Johnson: King of the Delta Blues Singers
John Coltrane Quartet: A Love Supreme
Husker Du: Zen Arcade
Captain Beefheart & the Magic band: Trout Mask Replica
King Crimson: Larks' Tongues in Aspic
Sonic Youth: Daydream Nation
Butthole Surfers: Hairway to Steven
Monster Magnet: Dopes to Infinity
Type O Negative: October Rust
Tom Waits: Swordfishtrombones
Kyuss: "Welcome to Sky Valley"
Clutch: Blast Tyrant
Porcupine Tree: Deadwing

There's a lucky 13. And, this list could go on and on and on.......   ;-)