yvonne trevino first became known as "the terminator" in the early 1990 kickboxing scene competing in her first kickboxing match against fighter lamour myriah on may 15, 1993 in phoenix arizona. trevino immediately entered another kickboxing match on may 25, 1993 winning against a well known tough tucson arizona fighter lonnie shelby. on june 19, 1993 in california in a kickboxing match trevino went on defeating well known martial artist cynthia prouder in a decision. on july 10, 1993 both trevino and lonnie shelby rematched each seeking a chance at earning an arizona state championship kickboxing title with the bout ending with trevino winning by decision. then on aug 28,1993 in arizona trevino was scheduled to fight yvonne chavez in a local kickboxing match. but chavez was a no show, so the promoter matched trevino by weight against an up-and-coming new mexico male fighter with trevino winning by controversial decision in a bout later to be considered a kick boxing exhibition and not a recognized sanctioned fight.