Louis wears a purple roll neck top, with a red jacket over the top, which has most of his top underneath. Louis also wears a white pair of trousers with black shoes. He wears an unusual pair of glasses and his hair is black in a similar style to Scraps; it just has "a bit more lift" to it.
In the post-credits cutscene, now being a friend of Arianna's, he can be seen beside her and the other Ravens.
Louis can be seen standing on the opposite side to Marilyn.
The eldest of the Black Ravens, Louis is skilled in espionage and closely follows those in search of the black market. He will always watch his friends' backs in times of need, but his spendthrift father often gives him his own share of troubles.
- Near the end of the game, Louis says "But why?" but it is unknown who voiced him.