Kraid

Kraid is a character from the Metroid series. His first game was Metroid. In Metroid, he was much smaller than his current design, and he also looked much diffrent than the artist concept for the game. He usually appears as a boss in the Metroid games, excluding the Metroid Prime franchise, and Metroid 2: The Return of Samus, even though he was planned to be a boss in Metroid Prime.