With which phrase would you associate the character Kroor Singh in the series Chandrakanta ?

Kroor Singh, the villain in the television series 'Chandrakanta', was famous for his distinctive catchphrase 'Yuckoo' which he would utter during his appearances. The character became iconic in Indian television history during the 1990s, and this peculiar phrase became closely associated with the character's menacing and eccentric personality. The series was based on Devaki Nandan Khatri's novel and featured several memorable characters and catchphrases that became part of popular culture.