Fan-Drawings
So far I have got 5 personal fan-drawings from my friend Don Rosa:

Don Rosa's helper
  This one is from 2002.
Arpin Luséne (The Black Knight)
  This one is from 2007.
  Bokmässan, Gothenburg, Sweden
Nephew in JW-outfit
  This one is from 2008.
  Komiks.dk, Copenhagen, Denmark
John D. Rockerduck
  This one is from 2010.
  Raptusfestivalen, Bergen, Norway
Gyro's Helper
  And this one is also from 2010.
  Raptusfestivalen, Bergen, Norway