Some possible lead comedians, just guessing:
Martina Hill
Bernhard Hoecker
Hape Kerkeling?
Monika Gruber? Or LIE
Hella von Sinnen
Kaya Yanar
Bülent Ceylan?
Comedians that seem more Ij or Ip to me:
Olaf Schubert
Dieter Nuhr
Rüdiger Hoffmann (Hallo Erstmal!)
Johann König
The blazing extraverts:
Mario Barth
Cordula Stratmann
Mike Krüger
Helge Schneider
Michael Mittermeier
Anke Engelke