Red: Its hard scales provide strong protection. It uses its hefty bulk to execute powerful moves.Yellow: Tough scales cover the sturdy body of this POKéMON. It appears that the scales grow in cycles.Gold: Its body is cover ed with needle- like scales. It never shows signs of shrinking from any attack.
Prof. Lotus' Notes: The name is a portmanteau of the Japanese borrowed word for Needle - ニドル (Nedoru), cnidocyte (thing in all poisonous animals) and rhino.