cyber-psionic abilities and keen intellect enable her to communicate telepathically long distance, psi-surf computer databanks for information, extrapolate probabilities, and exert a level of control over mechanical systems
Given the confusing nature of Nicole and Claudette St. Croix's ruse around the time of the original AoA, it's unclear how exactly Know-It-All relates to Lady Penance and the Monets. She could potentially be either one of the Monets (616's M Twins) rescued by the X-Men, or an earlier incarnation of the real Monet, now known as Lady Penance.
All appearances in chronological order :
Generation Next #1,3