List of python developers and users on http://twitter.com

 * Guido van Rossum http://twitter.com/gvanrossum
 * Michael Foord http://twitter.com/voidspace
 * James Tauber http://twitter.com/jtauber
 * Ted Leung http://twitter.com/twleung
 * Doug Hellmann http://twitter.com/doughellmann
 * David Stanek http://twitter.com/dstanek
 * Augusto Becciu http://twitter.com/abecciu
 * Skip Montanaro http://twitter.com/skipmontanaro (though I don't really know why)
 * Fred Drake http://twitter.com/freddrake
 * Georg Brandl http://twitter.com/birkenfeld
 * Armin Ronacher http://twitter.com/mitsuhiko
 * Juergen Brendel http://twitter.com/BrendelConsult

List of usergroups and python related events:

 * pycon http://twitter.com/pycon
 * Portland Python UG http://twitter.com/pdxpython
 * Tucson Python UG http://twitter.com/TuPLE  


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I started the list as a response to http://rubylearning.com/blog/2008/10/29/50-rubyists-to-follow-on-twitter/. Feel free to add python developers or yourself if you tweet about python -- http://twitter.com/peterhoffmann