Massive, towering giant (24ft), armored, helmeted, broad, powerfully built, stoic in posture, imposing yet composed 

Helmet eyeholes stuffed with pine tree resin by civilians who took him for a brutish giant. He may not even be blind for real

Wise, philosophical, stoic, humble, honorable, patient, introspective, kind (especially to allies and humans), content in isolation

Refuses to remove helmet out of honor and respect for Lord Gwyn