Can Somebody Please Help Me To Know How To Rip The Sprite From The NES, PSX and DS

[CyberVampireKiller]

Can Somebody Please Help Me To Know How To Rip The Sprite From The NES, PSX and Nintendo DS emulator. Yes I wanna rip the sprite like what many spriter would incuding when there using the emulator to make sure that it's completely pixlated like how they rip them out. I wanna rip the sprite from these following games:
Contra (NES)
Ghost N Goblins (NES)
Ninja Gaiden (NES)
Super Contra 3 (SNES)
Mario And Luigi Partner's In Time (Mario & Luigi RPG 2) (DS)
Mario And Luigi Bowser Inside Story (Mario & Luigi RPG 3) (DS)
Super Robot Wars Alpha (PSX)
Super Robot Wars L (DS)

Please Tell me there people and I'll promise you to have these sprite sheets completely ripped and uploaded in the future.