Merasmus the Magician is a Scottish wizard. By his own claim in Unhappy Returns he is six thousand years old. He is the keeper of the Bombinomicon and the RED Soldier's former roommate. In the Bombinomicon comic, when the RED Demoman was seven years old, he discovered Merasmus' castle in the Highlands while seeking work. Merasmus told the Demoman to sweep the library of his castle, but told him not to look at a certain book. Ultimately, the Demoman lost his left eye to the Bombonomicon, and Merasmus was forced to remove it lest the Bombonomicon would haunt the eye forever. Years later, the magician's tumultuous relationship with the RED Soldier was revealed, and he summoned MONOCULUS (the haunted eye) for the RED team to fight. During the events of Soldier Needs a Home, Merasmus kicked the Soldier out of his castle for being a nuisance. When he found later that the Soldier trashed his home and evicted him, he took on a ghostly form and decided to attack the Soldier's team. Later, Merasmus moved in with Tom Jones, who was murdered by Soldier. After calling the police, Miss Pauling tricked Merasmus into checking Tom Jones' pulse, and Merasmus was believed to be responsible for the murder and held for questioning. Merasmus was later shown to be in prison, now with several tattoos (one of them the Soldier's class emblem) and a slightly different skull hat, where he relayed to the other inmates the tale of Grave Matters. Merasmus (stylized as MERASMUS!) makes an appearance in the game as the boss the players must fight in Ghost Fort.
Role in the SAF series.
Merasmus, ever since his release, hasn't exactly been happy on how TF2 fans have seen him as a socally awkword idiot (even though he is one) and espires for a way to make himself to be taken seriously. That day unexpectingly came to him in the form of Nega-Zeus, who offered such a way to become rekindised as the threat he can truely be, under the grounds he gets involved with The Guild of Thunder. Having accepted, he's been told everything he needs to know about the Guild's goals in presevring darkness against the light. He is like the Ursula of the main council, (though obviously a guy and not a female, or an octopucniod), often quick to offer a quick solution to any foe: turn them into the undead. Aside from being somewhat of an idiot, he's reguarded as one of the guild's most capable magic users, behind Nega-Zeus and a certain comical witch.