Walter's "twin brother", Bycle is one of two robots who assist Ryouma. His primary means of transportation is his motorcycle. However he also has a wheel integrated into his chest section which he can use to "land-surf" when no vehicle is available. His weaponry consists of twin lances, which can be combined into a longer staff and can alternatively function as the handles of his motorcycle or coin bombs. Bycle's armor is yellow. Being a master of jokes and sometimes a little inane, he's often subject to Walter's anger. Speaks in Nagoya dialect.

Bycle's "twin brother", Walter is the other of the two robots in the team. Being equipped with wings enables him to fly, thus requiring no special vehicle. His armor is turquoise. Walter loves children and he is generally the type of "person" who enjoys life.

Shunsuke Masaki
Shunsuke is Winspector's commander and founder. He usually remains in the headquarters of Winspector, but if necessary, for example when a member falls into a pinch, he goes to the site himself and takes command. After the series, he established another rescue team called Solbrain and made a come back on the last few episodes of Exceedraft.

Junko Fujino
Junko is an information G-man. She is an expert with handguns.

Hisako Koyama
Hisako is a secret G-man. She usually works in a coffee shop. Her father, Masanobu Koyama, was a colleague of Masaki until he was killed in action six years ago.

Ryota Koyama
Hisako's brother

Shin'ichi Nonoyama
Shin'ichi is Winspector's mechanic. He develops rescue tools and maintains Bycle and Walter. Likes playing chess

Madocks is Winspector's supercomputer. Madocks holds data on every criminal and can analyze it in an instant.

Demitasse is small robot. His main work is emergency step at the time of trouble of Bycle and Walter and secret investigation activity.