Madam Luna's definitions

viewtiful

"Beautiful View"; something extremely stylish, flashy, attractive, sexy or aesthetically appealing. Can also be used alternately with/instead of "beautiful," i.e. "Viewtiful World."
Source: Viewtiful Joe (Gamecube game made by Capcom)

"That move...that one you did back there? It was...viewtiful! Tell me, what do they call you?"
"Viewtiful Joe!"

by Madam Luna January 1, 2004

henshin

Japanese for "transform." A popular catch phrase used in Capcom's new game Viewtiful Joe. Used to activate V-Watch and transform into Viewtiful form (used by Captain Blue, Sylvia and Joe).

"Henshin-a-go-go, baby!"/"Henshin-a-bye-bye!"/"Henshin around!"

by Madam Luna January 1, 2004