Alvaro de Campos is one of the most notable heteronyms created by the Portuguese poet Fernando Pessoa. He is characterized as a modernist and is known for his passionate and often tumultuous reflections on life, technology, and the human experience. Campos embodies a more industrial and cosmopolitan perspective, contrasting with Pessoa's other heteronyms. His poetry often explores themes of existentialism and the impact of modernity on the individual. Through Alvaro de Campos, Pessoa delves into the complexities of identity and the search for meaning in a rapidly changing world, making Campos a significant figure in 20th-century literature.