What is the meaning of Duende?

A small, mischievous humanoid creature in Iberian (Spanish/Portuguese), Latin American, and Philippine folklore/mythology; an imp.

Heightened inspiration or passion, especially in flamenco.

Personal charm. (Can we add an example for this sense?)

a small humanoid creature who invades homes at night to carry out mischief and scare the residents

any small fictional humanoid, especially a mischievous or evil one

a small humanoid creature who invades homes at night to carry out mischief and scare the residents

charisma (the power to attract through personal magnetism and charm)

Source: wiktionary.org

See also