In the past, as "Frederick", he seemed to be a simple-yet-aloof scientist, who was content with having only two friends, not bothering to compromise his own integrity to appeal to others around him;[16] however, upon becoming a "monster",[17] his prior unruly traits became much more pronounced.
Sullen and unrefined, Sol only speaks to others when absolutely necessary.[18] Consequently, he is not very good at expressing himself, and tends to compensate by bullying people into line or simply steam