Complex sentence: The protagonist of the plot and player character of the single-player mission mode, is Cyborg also know as ECO35-2 or "Coton" is a cyborg depicted as an athletic, bipedal humanoid surrounded by battle armor plating of a deep blue color.
Split into simpler sentences: The protagonist of the plot and player character of the single-player mission mode, is Cyborg, also known as ECO35-2 or "Coton". He is a cyborg depicted as an athletic, bipedal humanoid surrounded by battle armor plating of a deep blue color.