For HN it's a character from the Discworld series, but generally I'll use a partial anagram of my real name. For example, the name "Jonathan Doe Smith" can be

For HN it's a character from the Discworld series, but generally I'll use a partial anagram of my real name. For example, the name "Jonathan Doe Smith" can be changed to "Damian Jones Thoth", so I would drop the "Thoth" and just make it damianjones.