Old Arcade Machines

[miffy]

Space Invaders
Pac Man
Pole Position (prefer the sit down version)
Paperboy (glad to see someone else mentioned that)
Road Blasters
Express Raider
Double Dragon

[StuntManMike]

Has to be:

Street Fighter 2 Turbo
Mortal Kombat 2
Final fight
Rampage

[eliquant]

Mr. Do's Castle
Phoenix
Crytal Castles (the power of moving a cartoon bear with a trackball was awesome !) .

[hyperD]

Bezerk with "Evil Otto"

"Ha ha humanoid!"

http://en.wikipedia.org/wiki/Berzerk

http://www.cracked.com/article_16247_p2.html