Nyani ga Nyandaa Nyandaa Kamen
Japanese title: ニャニがニャンだー ニャンダーかめん
Alternative titles: Mighty Cat Masked Niyander
Type: TV
Source: Picture book
Episodes: 83
Status: Finished Airing
Aired: Feb 6, 2000 to Sep 30, 2001
Broadcast: Sundays at 07:00 (JST)
Duration: 25 min per ep
Rating: PG - Children
Studios: Sunrise
Producers: Nagoya Broadcasting Network, Tokyu Agency
Genres: Comedy
Demographics: Kids

One day a normal cat boy got a power to transform into a super "kamen cat." Whenever he heard people saying "help" he would dash right over there and help them fight against enemies.