Curtis

Curtis Brown is the abusive father of Daisy, and the mad scientist who creates Alan, Lithop, and the other monsters in the basement. He is a single father, and not a good one, making a box for young Daisy to put questions into, with answers that tend to dodge the question. He brushes off the question "Do I have a mother?"

He is also physically abusive, threatening to rip his daughter's hair out. He also kept a man in the basement to take body parts out of. This may be to make creations or to test on.

HIs only appearances are in the subtitles, but is spoken highly of when Daisy talks about him verbally.

His wife, Rose died shortly after giving birth to Daisy. It is believe his creation of monsters such as Alan were to try to recreate his wife.

Fate
During the series, it can be presumed that Curtis left Daisy, because he realized he was a terrible father, and that she would be better off without him. According to Julia (The creator of Daisy Brown) there are 2 possible canonical endings, and the fans must choose either one based on their interpretation. Either after recording the tapes for Daisy, Curtis was killed in his basement by one of his creations, and Daisy has walked over his remains without even realizing, or Curtis Brown sealed up the basement, and left Daisy alone in the house to be eaten, or killed by his creations.