Darth Sidious

Palpatine, also known as Darth Sidious is the main villain of the six films in the Star Wars series. Palpatine manipulates the Senate to proclaim himself Emperor, and manipulates Anakin Skywalker into becoming his apprentice.

Perception in Fanon
Palpatine is mostly seen as a 'dirty old man' because of his ugly appearance and an obstacle to Sues going after either Darth Maul or Anakin Skywalker.