Koos Grandioos is one of the pseudonyms of the Dutch comedian, singer and TV personality André van Duin, applied only to his 1997 single 'Ayohee' (Zo, Ken 'Ie Wel Weer)'. It was a top 10 hit in The Netherlands, early 1998. Koos Grandioos was a recurring character in Van Duin's TV show at the time. See also Ome Joop, Simon Naaigaren, Jut & Jul, Dik Voormekaar Team, De Duinstappers, and Jaap Aap en De Apen. <a href="https://www.last.fm/music/Koos+Grandioos">Read more on Last.fm</a>. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.