Our webmaster was a power gamer -- the sort of person who stayed up countless days without sleep, just so he could continue that D&D adventure. He also created characters that suited his power gamer mode. And he played the same way -- he gave everything 110%.
On one adventure, while the rest of the party decided to retreat, our webmaster had his character stand his ground while the others ran away. He had the character whip into a breserker rage and fight to the death. A short resurrection later, he was back into the game.
On another occasion, our webmaster saw fit to lead the adventuring party full steam into an awaiting ambush. Fighting for hours and trying every battle tactic in the book, the party was eventually captured and spent some time in an orcish prison camp.
But the most famous escapade our webmaster lead was in the gladiator pit. Fighting for his freedom, our webmaster's character had broken his sword, shattered his shield, and stood weaponless against a half-ogre gladiator who was armed to the teeth. Searching frantically for a weapon, our webmaster's character chanced upon two stones. He quickly grabbed these and set upon to assault the half-ogre gladiator. A few critical hits later, our webmaster's character had won his freedom.
Our webmaster, being a man of superstition, had his character carry those two stones through adventure after adventure. As with all legendary heros, our webmaster's character earned a reputation. And with that reputation came a nickname -- Zwei Rock the Scary. Zwei for the two, Rock for the stones he carried. Scary, because everybody else had an intimidating nickname.
Eventually our webmaster's days of power-gaming dwindled away, but the nickname Zwei Rock stuck with him. Eventually he got sick of trying to type in German and shortened the name to Ziroc.
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Most Subtle Official Straightman of the Laughing Hyenas -- Grammarian Brigade.