Borislava Nikolova

"Borislava Nikolova is one muscular lady from Bulgaria. She's also a good bounty hunter and a guardian of the Bulgarian Armed Forces, including Ferdinand I, their tsar. She must be the Bulgarian Cobra, and she might hunt down Molly Mabray, Trini Mumford, Tooey Ookami and Suki Mabray while we were in her hometown, the town of Veliko Tarnovo. That's right here. She's got heavy weapons too, so don't try to piss her off, okay?"

--Su Ji-Hoon, The Bulgarian Cobra

Borislava Nikolova is the muscular female Bulgarian bounty hunter that she is the guardian of Bulgarian Armed Forces and Ferdinand I of Bulgaria

She will be mentioned in a chapter  The Bulgarian Cobra  that she will hunt Molly, Trini, Tooey and Suki since she lived in her home from Veliko Tarnovo,a town of Bulgaria.

She even use heavy armed weapons but especially use heavy sniper rifle and heavy cannons to attack at enemies since she will hunt enemies for her bounty