Iron Door appears to be a white iron door with a pink colored portal within him, visible through the windows on the top of him. Iron door speaks in a rather uninteresting and monotone voice, his personality is nearly non-emotional, but is happy on some conditions, such as when going on a trip to Hawaii with his best bud Sky!, he's able to store items and eliminated contestants in his inner purple dimension, and can fly at incredible speeds, his main weakness is he's not very durable