Changing the Author Name in Xcode

So you want to change the author name from the default (the full name of the logged in Mac user) from:

// Created by Firstname Lastname on 6/21/10.

to something more creative:

// Created by SpeedingLunatic on 6/21/10.

Here's how. Run this from a Terminal:

defaults write com.apple.Xcode PBXCustomTemplateMacroDefinitions '{ "FULLUSERNAME" = "SpeedingLunatic";}'