Kaidan Alenko is a fictional character in BioWare's Mass Effect franchise, who acts as a party member (or "squadmate") in the first and third games in the series. The character is initially introduced in the original Mass Effect as a human Systems Alliance Officer and primary squad member in Commander Shepard's team. Kaidan's fate on the planet Virmire is part of a pivotal decision which the player has to make in order to advance the narrative.
