S.M.T.H.R.S's has his own super-active mode. It only appeared in Up A Tree. Weapons Edit Root Tentacles His most prominent weapon. His tentacles are used to constrict or grab ahold of things. They come in different sizes. Super Strength Retrieved from "https://robotboy-fanon.fandom.com/wiki/S.M.T.H.R.S%27_Superactive_Mode?oldid=4644" Categories: Characters Canon Characters Superactivation Superactive Minor Characters Robots Villains Characters Voiced By Lewis MacLeod Cyborgs Males Male Characters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.