Who is the disco guy?

The disco guy is John Travolta, an American actor, dancer, and singer. He rose to fame in the 1970s after starring in the movies "Saturday Night Fever" and "Grease." Travolta is known for his energetic dance moves and his smooth, charismatic acting style. He has starred in numerous successful movies over the years, including "Pulp Fiction," "Face/Off," and "Get Shorty." Travolta is also a successful singer and has released several albums. He is considered an iconic figure in the entertainment industry and is widely recognized as one of the greatest dancers of all time.