Others were from brainstorming with other people. The only rule provided for the series was 'everyone must be badass.' Lee also said that some of the characters were conceived between her and Oum, where he would provide a description followed by her sketching some ideas, or vice versa. Oum had been browsing Lee's DeviantArt work and asked if she wanted to do some designs. Oum designed the characters with assistance from artist Ein Lee.
