Robert Indiana is a well-known American artist who rose to fame in the 1960s. He is best known for his iconic "LOVE" sculpture, which has become one of the most recognizable pieces of art in the world. Synonyms for Robert Indiana may include pop artist, graphic artist, sculptor, and painter. He was also associated with the pop art movement, which was characterized by its use of bright colors and everyday objects as subject matter. Other possible synonyms could include minimalist, contemporary artist, and collage artist, as Indiana was known for his use of simple shapes and bold colors in his work. Overall, Robert Indiana remains an important figure in the world of art and continues to inspire artists today.