In Harihar Nagar, which is considered to be one of the defining films of the Malayalam golden age of comedy. The film was a box office success, running for 100 days in theatres. The film established Mukesh as a bankable lead actor in the industry. The film has over the years accumulated a cult following and huge fan base, with many scenes from the film being used in memes and online trolls today. Following the success of In Harihar Nagar, a series of unrelated low budget comedy films featuring the principal cast of the film were produced. These films usually starred Mukesh, Jagadeesh or Siddique in the lead roles. In 1990 he also formed a successful onscreen pairing with another rising star, Jayaram with successful films like Thoovalsparsham, Marupuram and Malayogom. He also starred as solo hero in commercially successful films like Gajakesariyogam, Ottayal Pattalam and Champion Thomas in the same year. His role as a serial womanizer in Kouthugal Vaartakal boosted his popularity as a lead actor. He also made his Tamil debut that same year in Manaivi Oru Manickam. He then, in 1991 starred in the classic comedy film, Godfather directed by Siddique-Lal, another blockbuster, the film ran for 417 days at Sreekumar Theatre in Trivandrum. Godfather became the longest running film in Malayalam film industry. The film established him as one of the major stars of the Malayalam film industry. He then teamed up with director P. G. Vishwambaran, who had earlier directed him in Ithu Njangalude Katha (1982), in several successful films like Innathe Programme and Irrikku M. D. Akathundu. He then starred in the 1991 cult slapstick comedy film Mookilla Rajyathu, in which he played the role of a mental patient who escaped from a mental asylum. The film is widely regarded as a classic in Malayalam cinema. He starred in the critically acclaimed Kakkathollayiram in which he played the role of the brother to mentally ill woman. He also worked with Shaji Kailas in Souhrudam (1991), in which he starred alongside Urvashi, Sai Kumar and Parvathy. However, Souhrudam was a box-office bomb. The next year, he starred alongside Jayaram in Kamal's Aayushkalam (1992), a super hit at the box office. This was the first in a set of successful collabs with director Kamal. They then teamed up for the romantic comedy Ennodishtam Koodamo, another super hit. He then starred in Makkal Maahathmiam, which was