Shavian is a script named after G. B. Shaw designed to represent English with simple, phonetic characters. For more info see this page. "Shavian" written in Shavian looks like this:
There are only three fonts that contain the Unicode Shavian range, Code2001, Andagii, and MPH 2B Damase. For input I have made an experimental Shavian.keylayout available on my iDisk.