Boss: Motaro
Game: Mortal Kombat 3
How To Beat Him/her: At least Goro was freezable. Motaro was basically impenetrable to everything, and he could teleport and kick you across a screen. One of the most effective strategies for beating Motaro is to attack him with a jump kick, and follow it up with a two to three hit combo. Once that's done, distance yourself from him and repeat the process.