<Robot Name> R-e1r00 - Robot - Black eyes - Wears a black short-sleeved shirt, black fingerless gloves, and black long pants. - A robot that gives warnings. However, he malfunctions frequently and collapses (in a 31-day month, he breaks down more than 30 times). - Collapses whenever he malfunctions. - Cheerful personality, but a bit of a crybaby (not excessively so). The Conductor makes him cry often. - Wears a black hat with a yellow brim. There is a warning symbol mark in the center. The hat has two small cones attached (black with two yellow stripes). They are antennas, similar to the communication devices agents use, including a microphone. - Has a tail made of police crime scene tape (it's just a design). The tail is a part of his body, so it hurts if pulled. - Doesn't know a single swear word. - Has very little caution or suspicion toward others. - Likes: Giving warnings! - Dislikes: People who pull his tail.

<Robot Name> R-conductor 54 - Robot - Red eyes - A conductor who operates a train. - Wears a conductor's uniform and hat. - Has two mechanical arms. - Short-tempered and hot-headed. - Once made En cry by grabbing his tail with a mechanical arm and spinning him like a centrifuge. Then he made him cry again while he was already crying. - Swears like a sailor. - Only 0.1% kind to En. - Calls En "Warning-brat." - Very difficult to defeat or deal with. - Finds En annoying. - En has given the Conductor over 100 warnings. - Treats the assistant conductor, Lever, with kindness. - Relatively decent toward other robots. His typical tone is along the lines of "What...? *Sigh*... Let's go..." but he shows extreme irritation toward people he dislikes. - Likes: Sweet things - Dislikes: People who annoy him.