2. I refer to it as "my Solid Snake" with the ladies. Probably explains why I'm single still.
3. I demand my coworkers call me Master Chief, despite not being a master or a chief, or being in charge fo anything.
Nah, but seriously, Shepard could be one of several things, depending on the situation and the choices made. If (s)he were an engineer, Shep could disrupt Chief's suit, overload his shields, cause interference with Snake's gear, etc. If a biotic, then they could go flying off a cliff. Soldier, then Shep has a variety of tools at his disposal the other two might not have - but it'd be a lot closer.