Elena María Álvarez, known by her codename Finka, is a prominent character in the tactical shooter game Tom Clancy's Rainbow Six Siege. As an operator, she hails from Belarus and is part of the attack team. Finka is known for her unique ability to temporarily boost the health and performance of her teammates using her nanobot-driven Adrenal Surge. Her background as a biochemist and her struggle with a neuropathy condition give her a compelling depth, as she battles both on the field and personally. Her tactical prowess and supportive role make her indispensable to her team.