Thalassa Lucas

Thalassa Lucas is the King of Ilusia.

History
The Revolutionary, "Dragon"... His thoughts are dangerous... In 5 or 6 years, he will be a large thorn in the side of the governments of the world.

He appeared briefly in chapter 142 during the Chopper flashback. He was the bearded, smoking man who showed the photo of Dragon during the Council of Kings 6 years ago in Mariejois. He said that Dragon's thoughts are dangerous and that within 6 more years Dragon would be a great thorn in the World Government's side, a prediction that, ultimately did come to pass. It is unknown if he is still alive or if he still reigns 6 years later.

Translation and Dub Issues
Thalassa (Θάλασσα) means "sea" and is the name of a Greek sea goddess who personified the Mediterranean.