The Guardian is a character who's devoted to protecting a person, place, or object. This often gives them a heroic inclination in fiction, since someone who willingly devotes their life to protection most likely does so for a worthy reason. Even (anti-
)villainous guardians are often more noble
than the average villain, since guarding someone they love (who may also be a villain
that may likewise be devoted protecting the other) or protecting something they cherish makes them more sympathetic.
Some guardians may not be performing their duty willingly, though. They may be cursed to act as a guardian, often times as a punishment for some transgression against the one who cursed them.
are a common sub-type that act as an obstacle the heroes need to overcome, making sure Only the Worthy May Pass