- (aper) copycat: someone who copies the words or behavior of another
- Imitation is an advanced behavior whereby an individual observes and replicates another's. The word can be applied in many contexts, ranging from animal training to international politics.
- Aper may refer to: *Gaius Septimius Severus Aper (ca. 175 - 211/212), a Roman statesman *Lucius Flavius Aper (d. 384), a Roman general * Aprus (d. 507), bishop of Toul *Aprus of Sens (fl. 7th century), a French saint
- (aper) Someone who apes something