raiden / raijin [rahy-dehn / rahy-jeen]
noun
1. a god of lightning, thunder, and storms in the Shinto religion and Japanese mythology.
2. Video game. A character from Mortal Kombat series, he is the god of thunder and protector of the Earth realm.
3. Video game. A character from the Metal Gear series, a cyborg ally of Solid Snake.
EX. Why is there a new evolution of Pikachu that transform the Electric Mouse into the Thunder Mouse? I know there is Raichu, but how about you make Raiden or Raijin into Raidu or Raiju.