Through out the life of the NES and Famicom there were boat loads of clones (bootlegs) made which are still being made to this day.
 

PIRATE FAMICOM HARDWARE

Game Axe Color
Portable Famicom by Redent.
Game Theory Admiral
Portable Famicom by Mystery.

PIRATE NES HARDWARE

Supercom - Mastergames
PAL NES clone with built-in games.