Malayalam actor RaviVallathol, well-known for his acting in television serials and movies, passed away on Saturday at a hospital here, family sources said.Vallathol, son of drama legend T N Gopinathan Nair and Soudamini, was the nephew of the famous Malayalam poet Vallathol Narayana Menon.The veteran actor had appeared in around 50 Malayalam movies and more than 50 television serials starting from1986 with the serial 'Vaitharani' on Doordarshan.Kerala Chief Minister Pinarayi VIjayan expressed condolences on the passing away of the actor."He had an extraordinary ability to immortalise the characters with a wide range of emotions," Vijayan said, adding that, his demise was a loss to both theatre, film and TV serial industry.Opposition Congress leader Ramesh Chennithala also condoled the demise of the Vallathol.Chennithala remembered Vallathol as a brilliant writer and social activist. Vallathol made his film debut in 'Swathi Thirunal' directed by the late Lenin Rajendran in 1987.He had also played versatile characters in hit movies movies including Godfather, Mathilukal, Sargam, Vidheyan, Kottayam Kunjachan, Naalu Penningal, Idukki Gold among others.He has penned more than 25 short stories among which two were adapted into television series.He is survived by his wifeGeethalakshmi.