Both the "Power Rangers" and the Japanese "Super Sentai" series on which the "Power Rangers" series is based, have had white tiger themed Rangers and mecha. A trained white tiger from the Bowmanville Zoo in Ontario, Canada, was used in the "Animorphs" TV series. A superhero named White Tiger appears in "The Justice Friends" in "Dexter's Laboratory". A white tiger named White Blaze is frequently shown in the anime "Ronin Warriors". Tigatron from the animated TV series "" is based on the white tiger. There have been at least four heroes in Marvel comics called "The White Tiger": two gained powers from a group of three mystic amulets that they possessed, one was actually a tigress evolved by the High Evolutionary, and one was given an artificial version of the "Black Panther's Heart Shaped Herb".