'Albatross' is a character created by -

The Rime of the Ancient Mariner, a poem in seven parts by Samuel Taylor Coleridge that first appeared in Lyrical Ballads, published collaboratively by Coleridge and William Wordsworth in 1798.
The title character detains one of three young men on their way to a wedding feast and mesmerizes him with the story of his youthful experience at sea—his slaughter of an albatross, the deaths of his fellow sailors, his suffering, and his eventual redemption.

The important characters of this work are - The Mariner, Wedding Guest, Albatross, The Nightmare, Life in Death.

Source: Britannica.com