Álvaro de Campos is one of the most notable heteronyms created by the Portuguese poet Fernando Pessoa. He represents a modernist voice, characterized by a deep exploration of industrialization, technology, and the human experience. Campos often expresses feelings of alienation and existential angst, reflecting the complexities of modern life. His poetry is marked by a unique blend of free verse and vivid imagery, showcasing a wide range of emotions and thoughts. Through Álvaro de Campos, Pessoa delves into themes of identity, longing, and the search for meaning in a rapidly changing world, making him a significant figure in Portuguese literature.