Wade Watts – -PoLR – seems LII to me,
his online alter ego: Parzival – SLE or LSI-Se

James Halliday – -PoLR as well – LII + aspergers,
his online alter ego: Anorak – IEI (my impression)

Samantha Cook – EII or IEE,
her online alter ego: Art3mis – SEE

Ogden Morrow – -ego type

Nolan Sorrento – + valuing type – LSE or LIE

Aech – xLE