This page explains in detail the interactions between the 3D Dot Game Heroes series and the Punch-Out!! series.
3D Dot Game Heroes
November 5, 2009
3D Dot Game Heroes
Punch-Out!!
The loading screens in 3D Dot Game Heroes are recreations of covers of classic videogames, using the game's characters, monsters and in general elements. The Loading Art 104 is based on the cover for Mike Tyson's Punch-Out!!, featuring two villagers as the boxers and a different villager as the referee.
see here for other loading screens.
License
The creators of 3D Dot Game Heroes held no right over Nintendo's Punch-Out!!, but they only included a minor references to the series.
