Hergé did not like opera , however , and for decades he would gently lampoon his friend Jacobs through the device of opera singer Bianca Castafiore , a supporting character in `` The Adventures of Tintin '' .
Hergé did not like opera , however , and for decades he would gently joke with his friend Jacobs through opera singer Bianca Castafiore , a supporting character in `` The Adventures of Tintin '' .