REO Speedwagon is an American rock band formed in 1967 in Champaign, Illinois. The group is best known for its blend of rock and pop music, characterized by catchy melodies and heartfelt lyrics. Their name comes from a REO Speed Wagon, a type of truck manufactured by the REO Motor Car Company. The band gained significant popularity in the 1970s and 1980s, particularly with hits like "Keep on Loving You" and "Can't Fight This Feeling." Over the years, REO Speedwagon has released numerous albums and continues to tour, maintaining a loyal fan base while influencing many artists in the rock genre.