Bit Character

Bit-characters are unimportant original characters that appear in Badfic for minor roles.

In Suefics
Bit-characters in Suefics tend to be in the following roles:
 * Mary Sue's Bestest Fwend Evah!!11!
 * Mary Sue's rival
 * Mary Sue's former (often abusive or dead) lover, the guy who makes her swear to "never love another man again"
 * Mary Sue's servant. This often appears in Lord of the Rings, where the recently arrived Mary Sue believes that Lord Elrond houses servants and gets one to boss around.
 * Mary Sue's sibling, who is also pretty, but "not as pretty as Mary Sue lolz!" and ends up with a Canon Character as well.

In Slash
A bit-character in Slash is most likely to have one of the following roles:
 * A sibling of one of the males involved
 * A former lover of one of the males involved
 * A servant of one of the males involved