Vincent

Summary
Vincent is an artist from France and is Dr. Leo's father. Due to appearing in only one episode, not much is known about him, other than the fact that he is old and colorblind. He is not affiliated with any gang, and just wants to live a calm life.

Appearance and Personality
Vincent is similar to Dr. Leo in appearance, both being mostly bald except for some hair on the sides of their head, and both of them wear glasses, but the biggest differences are that Vincent's hair is white, and unlike Dr. Leo, he has a beard. Vincent is very relaxed and loves art.

Trivia

 * Vincent is the oldest character in the series, being born in 1948.
 * He lived in Vietnam during the time of Dr. Leo's birth.
 * Considering that he is never seen again after Episode 8, we can confirm that he only came to Nutropistan to visit his son, but decided to paint some of it's citizens, notably Allen.
 * He is the only character confirmed to be colorblind.