George Sebastian, better known as George Mammootty, is an Indian makeup artist, film producer, and executive producer at Mammootty Kampany. He is the son of M. O. Devasia. He is noted for his long-standing collaboration with Mammootty, having worked with him on more than 25 films and later becoming his personal makeup artist. He has won the Kerala Film Critics Association Award for Karutha Pakshikal (2008), the Kerala State Film Award for Best Makeup for Paleri Manikyam: Oru Pathirakolapathakathinte Katha (2010), and the Kerala State Film Award for Best Film (as producer) for Nanpakal Nerathu Mayakkam (2022).