Vanessa commands the Vanessars, a criminal group bearing her name that antagonizes the protagonists. Operating from an asteroid hideout, they stage attacks to draw out their foes.

Under Vanessa's leadership, the Vanessars pursue disruptive schemes. They deploy a giant mecha intended to crash into Earth and alter its natural environment. At a high-society event, they unleash robots designed to carbon-freeze attendees, though this specific plan fails.

Vanessa actively seeks to prove the Vanessars' worth to Defiant, a more formidable terrorist organization led by Defiant D. She boasts of her group's actions, but Defiant D remains unimpressed, demanding tangible results before recognizing their value.

Visually, Vanessa possesses dark orange hair and green eyes. Her group is frequently likened to comedic villain archetypes such as Team Rocket.