Mavros Dagon

"Shut up shut up shut up, have you seen hell recently? I'm looking for the demons, they stole my eyes"
Sir Mavros Dagon is a legendary knight of the Kingdom of Whytehold. He is considered the greatest fighter in all of Whytehold, perhaps in the whole of Tyrrus. Unfortunately, he is completely insane.
Sir Mavros is undefeated in combat. He is deadly with a longsword, especially when he goes berserk in battle. Yet unlike the frothing rage of a berserker, his rage is a focused point, and he fights with extreme precision and speed, as well as strength behind his strikes.
Unfortunately, when in battle, Mavros is often as deadly to his allies as he is to his foes. The kingdom unleashes him as a last resort, deploying him alone, usually against the kingdom's deadliest foes.
Sir Mavros' insanity does not seem to practically impact his life, and mostly impacts his interactions with other people. Mavros is able to feed and take care of himself, but most of what he says is nonsense. He is also known to have an incredibly short temper, with almost anything setting him off.
Though Sir Mavros is a well-respected knight, he is also feared. Very few knights are willing to spend any time near him, and nobody wants to fight by his side.
Sir Mavros has scruffy black hair, and piercing blue eyes. He has specially made armour that is entirely blood red.