[Youtube video from Gabos90 channel]
Commander Yammark (コマンダー・ヤンマーク, Komandā Yanmāku) This reploid character has a mission, to bring an observation team for a nature tour. This character have had also functioning problems during the flight missions, but it's not such big of a deal becouse Gate ressurrected him later in the game.
Yanma Option is the main attack of this character, where he forms small dragonflys around himself. As a boss its multifunctional and challenging.
[Youtube video from Sliider channel]

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Megaman. One of the best Capcom franchises.