List of bosses in the Metroid series

Bosses are very hard enemies that guard or have an ability and Samus must kill the boss to get that ability. There are various bosses in the Metroid games. Here is a list of them.

Metroid One

 * Kraid
 * Ridley
 * Mother Brain

Metroid Prime 2: Echoes

 * Dark Alpha Splinter
 * Bomb Guardian
 * Jump Guardian
 * Emperor Ing
 * Dark Samus

Metroid Fusion

 * Arachnus
 * Fake Chozo Statue
 * Pogo
 * Serris
 * Security Robot BOX
 * X Infested Scientist
 * Nettori
 * Yakuza
 * Nightmare
 * SA-X
 * Ridley
 * X|Varia X
 * Omega Metroid

Metroid: Zero Mission

 * Brinstar Worm
 * Lava Worm
 * Kraid
 * Ridley
 * Imago
 * Mother Brain
 * Mecha-Ridley