Another new character (not recognised, but deduced):
TINP-"the silver bullet"
This subtype is always searching for the achilles' heel of a system, with the goal of being recognized as the person who brought it down.
Could however be a:
These annihilate their personalities with their razor brains, and can get into J/P spirals that can lead to madness and suicide.
ITPN-"the cutter" Bloody Hand
This type has all the identity strife of the ITNP, but tends to externalize it as physical activity of some kind. The two ITs tend to be the most objective of all the subtypes, because they are constantly forced to face their faults.