Gustav Mahler was a renowned Austrian composer and conductor, known for his symphonies and song cycles. Some synonyms for the name Gustav Mahler include "The Titan", which is a nickname attributed to him due to his ambitious and expansive compositions. Mahler is also referred to as a "late romantic" composer, as his works were heavily influenced by the Romantic era. Additionally, he is recognized as one of the leading figures in the Viennese school of composers. His music is often described as intense, emotional, and evocative. Overall, Gustav Mahler's contributions to classical music have bestowed him with a reputation as one of the greatest musical minds of his time.