Sherlock Holmes

Origin
Very little is known about Sherlock Holmes's early life, but it is known he was a prodigy in school and a shut in who did nothing but study. By the age of 20, Holmes had every PHD his local university could give him and started his life as a detective.

Detective Work
For unknown reasons, Holmes was a ridiculously good detective, solving over a dozen cases a day. Through his troubles, he fought several gangs and went around the world hundreds of times over. In his journey, he met a mysterious doctor who introduced himself as W, but would later be known as Watson. Watson was a terrible detective, but assisted Holmes as his battle medic for several years. Eventually, Holmes began to get bored with his cases, until he found the most important case in the history of Britain.

Sir Mordred
A rumor began around London that the treacherous Sir Mordred was alive and planning on destroying the current British government, so Holmes was hired to find him before he could. This was a long and extensive journey that took him to the far corners of the country, and culminated in Holmes finding Mordred in Arthur's old castle, and attempting to find Avalon. As he was about to engage Mordred in combat, Watson shot Holmes in the back of the head, betraying him. However, due to his nature, Holmes survived by finding the answer to death itself, and was able to return and kill Watson and Mordred with Watson's own gun before the British Parliament could be destroyed. Holmes then went into hiding, knowing Mordred had dangerous allies.

Vetus et Moriar
Sherlock Holmes joined the Vetus et Moriar as he was an exceptional genius, though his motive for doing so is unknown.