As her bio suggests, little is truly known about Valentine apart from her service as a Last Hope operative and servant of the Skullgirl. Her motive to join the Skullgirl was chiefly out of self-preservation, but also in the hopes of researching the powers that control the Skull Heart behind enemy lines. Despite taking orders from higher powers, Valentine's actions are largely influenced by her own personal agenda.

What precious little that is known about Valentine is evidenced in her story mode