The singer behind the Austrian entry for the 2003 Eurovision Song Contest has had many professions. Which ones?

Explanation

Eurovision Song Contest 2003 took place in Riga, Latvia. The country won the year before with the song "I Wanna", performed by Marie N. The Austrian entry that year was sung by Alf Poier, who is a popular comedian in his home country. He also has jobs as a chimney sweeper, night watch and long-distance runner on his CV. He performed in oversize jeans, a red t-shirt and a hat alongside 2 ladies and 4 stuffed animals. His song was about how animals are forced to live in the dirty world humans have created.