Bendy

A nickname given to the stick figures seen in the Investment Opportunity virals, Bendy is a playable test subject in the various alternate universes of the Aperture Science Enrichment Center throughout the Perpetual Testing Initiative in Portal 2.

Overview
Bendy is a recurring silent stick figure since the first promotional trailer for Portal. It is used by Aperture Science as a representation of either test subjects or staff via the Investment Opportunity virals, and other informational screenings.