From Publisher Website
The Hero Designer files for Champions Villains Volume Three: Solo Villains. All of the characters in the book translated into Hero Designer format.
Even though the print release of Champions Villains Volume Three: Solo Villains has been delayed, the character pack from this title is available. (Solo Villains is also available in pdf.)
Hero Designer is a piece of software that greatly simplifies the creation of HERO System content by providing templates, error-checking, and a full set of powers, skills, etc., and more.
Hero fans (usually uncredited) often volunteer to turn content from HERO System titles into Hero Designer format. No artwork is included in HD Character Packs.