Bill Kelliher (born 23 March 1971) is an American musician. He is the rhythm guitarist of the heavy metal band Mastodon.
He performs on the song "White Walker" on Catch the Throne.
|Season Five credits|
|The Wars to Come||The House of Black and White||High Sparrow||Sons of the Harpy||Kill the Boy|
|Unbowed, Unbent, Unbroken||The Gift||Hardhome||The Dance of Dragons||Mother’s Mercy|