Since his entry into the Social Democratic Party of Germany (SPD) in 1979, he was mostly engaged for the Young-Socialists.
Udo Kier | Udo Lindenberg | Udo Jürgens | Udo Weilacher | Udo Schütz | Udo Recker | Udo Dirkschneider | Udo | Udo Walendy | Udo (Slavic prince) | Udo Beyer | ''Robin'' Alexander Wolfgang Udo Eugen Wilhelm Gottfried of Sayn-Wittgenstein-Berleburg | Duke ''Christian'' Nikolaus Udo Peter of Oldenburg | Carl Lebrecht Udo Dammer |