Launcelot

Sir Launcelot is one of the members of King Arthur's squad in 2241.

Background
Launcelot once rescued Galahad from Castle Anthrax. Launcelot is the group "badass", and functions as supporting fire for when someone dares challenge the King's tongue.

Interactions with the player character
Launcelot would probably chuck the Holy Hand Grenade at the player if he gave him half a chance. Basically, do all the talking through Arthur.

Appearances
Launcelot appears only in Fallout 2.

Behind the scenes
Launcelot is a reference to Sir Lancelot, King Arthur's most-trusted knight.