what is batista's old theme song called?

"I Walk Alone" by Saliva (if that's what you refer to as "old")

I walk alone

"Eyes of Righteousness" by Jim Johnston (as Deacon Batista; used when teaming up with Reverend D-Von; 2002)
"Monster" by Jim Johnston (2002–2005)
"Evolve" by Jim Johnston (used as part of Evolution; 2003)
"Line in the Sand" by Motörhead (used as part of Evolution; 2003–2005)
"I Walk Alone" by Saliva[3] (2005–2010)
"My World" by Brand New Sin[3] (used for promos; 2010)

Credit: Wikipedia.com

i walk alone

I walk alone

i walk alone

Monster of course listen to it

i walk alone