Appeared with actress Brigitte Nielsen in KoRn's "Make Me Bad" video.

Starred in Paul Morrissey's back-to-back horrors Blood For Dracula and Flesh For Frankenstein. Of the two, Udo says he prefers Blood For Dracula

He was the subject of indie band Half Eye's seven-album repertoire: the first letter of the album names spell out his name, U.D.O. K. I. E. R.

Loves horror movies, and has a particular fondness for playing vampire characters.

Appeared in Madonna's 'Sex' book, alongside Naomi Campbell.

Is the godfather of director Lars von Trier's daughter Agnes.