Ultraman

Ultraman are a sapient extraterrestrial Humanoid with a body as tall as a building; most of them cant survive more than 3 minutes on other planet, to avoid that most of them live on or be a Human.

Biology
Their height are around 40-60m, their physique are usually different from each other make them easily recognizable. if they more than 3 minutes without enough light their color timer (Object on their chest) will blink, the color timer also have different shape like: Round, Alphabetical, Rhombus. Their body color is also different each other