Mephistopheles

Mephistopheles was a demon of YGGDRASIL.

Personality
Mephistopheles was atypical from regular demons as he strove to be good and was known to be a helpful NPC that assisted players.

Background
Mephistopheles was a character who was famous for spouting tsundere lines to good-aligned beings. He looked fearsome but was surprisingly friendly and logical, and he gave out missions that ranged from rewarding to high-level, which made him almost as popular as the Dark Young.

Trivia

 * Mephistopheles is named after a demon from German folklore that advises the scholar Faust from selling his soul to the Devil.