noun
A person who follows a great predecessor but lacks originality; often used in literary or artistic contexts. The term carries a slightly negative connotation of being a mere imitator.
from German Epigonen
彼は偉大な作家のエピゴーネンに過ぎないと批評家に言われた。
He was called a mere epigone of the great writer by the critics.
その画家は巨匠のエピゴーネンとしてしか見られていなかった。
The painter was seen only as an imitator of the master.