|This article is about a/an mentor in Choujuu Sentai Liveman.|
|Season:||Choujuu Sentai Liveman|
|First Appearance:||Ep. 1: Friends! Why Did You Do This!?|
|Last Appearance:||Ep. 2: Three Powers Sworn to Life|
|Number of Episode|
Full list of appearances
Doctor Hoshi (星博士 Hoshi-hakase?, 1-2): The principal of Academia, made the Gran Tortoise as well as the robot assistant Colon, and gave the Liveman mecha the ability to combine before dying. He died helping a pregnant woman trapped in the rubble of Academia Island escape.
- Doctor Hoshi was portrayed by Daisuke Ban; he is most well known in Sentai as Makoto Jin, the second Battle Cossack of Battle Fever J
- He is the first Sentai alum to portray a mentor; even if he only was in two episodes.