Who is called Bell-ringer of Romanticism in English literature?

John Keats is often referred to as the "Bell-ringer of Romanticism" in English literature due to his profound and emotive poetry that captured the essence of the Romantic movement. His works, such as "Ode to a Nightingale" and "Ode on a Grecian Urn," are celebrated for their lyrical beauty and exploration of themes like nature, beauty, and mortality.