I finally found Professor Gerald Robotnik's long lost Diary today and was totally shocked by what it said! These are the exact words, No Misprint whatsoever:

20xx-OO-08

How could you possibly believe someone would though ME into
Jail?!
Union Army Prison? Oh, hell.
I am the father of the pseudo perpetual mobile "Chaos Drive" for
Christ's Sakes.
Could this possibly be the sinister conspiracy of those
attempting to acquire and take over "Eclipse Cannon" and
"Artificial Chaos"?
Then I'll show them that I am not going to succumb to such
Immorality. For the complete picture of the ultimate biosis
development project "Shadow! lies only in my mind...

20xx-OO-13

I got this from Sonic X ep.33, I freeze framed the scene where Eggman hacks into the G.U.N. database and discovers that Planet Earth is the 'Echo Universe' to Planet Mobious!