Persolus

Persolus is a member of the Collective, who appears to be an elderly person. Although seemingly male, Noah Maxwell once speculated that Persolus may be an elderly woman. The Observer referred to Persolus as "the hermit". Persolus is represented by the ♗ (white bishop) chess piece.

Trivia

 * Persolus is latin for "quite alone", which fits with the title of "the hermit".