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http://en.wikipedia.org/wiki/Methos

Being the oldest in the gang, he could be very witty and have a
great sense of humor and an extremely sharp mind, which sometimes
could be annoying according to Duncan and Joe. In some ways, he was
pretty manipulative towards his friends and foes. Not to mention a
bit arrogant. Duncan once compared him to a hammerhead shark. Methos
said although he knew most of everything in life, he was a bit weak
in pop cultures.

Most people considered Methos to be weak, because he always avoided
a battle or even any Immortals who closed by, and tended to be
paranoid unless there was a good reason to stick around. He even hid
his sword under his bed and sometimes carried a fire weapon. Some
say that his behavior seemed unusual for an Immortal; he would
hardly participate in The Game and just continued his life,
travelling around the world, appearing here and there whenever he
liked. Whenever there was a great danger nearby, he suddenly
disappeared for years until he came back again like nothing
happened. He prefered however to observe rather than fight. This
wasn't a sign of weakness. As Methos himself once said, "I don't
like to fight, but it doesn't mean that I can't." And when he had
to, he was one of the strongest adversaries.


5000 years old immortalHe considered opera music to be boring, and
he liked Bruce Springsteen, Queen, and other music as well. His
lifestyle was a bit expensive, because he collected things, mostly
antiques and modern art, that many people considered to be junks. He
thought some of the 'junks' could be his from earlier times. He
enjoyed life so much, he considered himself to be a peaceful and
regular guy who drinks beer at the bar with his friends. Nobody knew
what was in his mind. Very easy going, but could be serious when
needed. Although his loyalty was questionable several times.

Many argued that Methos might be one of the strongest Immortals,
albeit not in a physical or fighting technique way, but more in
strategic and survival way. He hardly felt guilt anymore for some of
the things he had done in the past, but he did regret some.
Sometimes he hardly wanted to help others unless it had some benefit
for him, which made his friends and foes really angry sometimes.