monopolylogue

[mon-uh-pol-i-lawg, -log]

noun

a theatrical entertainment in which the same performer plays several parts or characters.

Origin of monopolylogue

1815–25; mono- + poly- + -logue, as in monologue, dialogue

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

"entertainment in which one actor performs as many characters," 1824, from mono- + poly- + -logue.