Ticket to Infinity is an Iterator. They are a light purple; their head is divided in thirds, and one-third of it (along with their entire right arm and leg, and the right half of their torso) is a dull purple.
TTI is kind, but has an immense holier-than-thou attitude that they simply mask very well. They are extremely hard to sway when it comes to opinions and theories.
Abilities
TTI has no special abilities other than the ones already possessed by Iterators.
Story
TTI gave up on the Problem a long time ago, having come to the conclusion that the answer would, no matter what, be an immense act of cruelty if it was spread. They searched for a different reason to exist, and eventually settled on documenting the emergence of wildlife around them, allowing creatures to thrive in their can and city.
By the time of Survivor and Monk's campaigns, TTI's superstructure has begun to collapse due to overgrowth and erosion; by the time Rivulet's campaign takes place, it has collapsed entirely, but TTI remains partially active.