Bus
The bus is a character (...?) in the remix tree.
Its level of sentience is unknown, but it is considered a character for the purposes of this wiki due to appearing in character compilations in projects like Despito the Musical - Vanilla on Ice! HD 180p Trailer.
History
Gordon and Corporal Shephard both rode it after going through G-Man's portal, and each used it to collect buttons. It later went into Ian's home, passing by Ian, Paula, and Toast, but flew up and away instead of picking up anybody at the stop, and then was given another button task.
Eventually, it made its way to a yellow void, where Paula and Ian used it as transportation after defeating an evil plot by Toast. It ventured into other locales such as a distorted version of Ian's home.