Definition

A loyal companion or assistant to a main character or protagonist, typically in fiction, comics, or action narratives. The sidekick plays a supporting role that complements the hero while often providing comic relief or moral grounding.

Example Usage

Robin is Batman's sidekick, helping him fight crime in Gotham City.

Origin

Compound of 'side' and 'kick,' suggesting someone who stands beside you and helps kick enemies to the curb.

Fun Fact

The term also refers to a mobile device from the early 2000s that combined phone, email, and instant messaging in one stylish package.

Source: Definition backfill (hailey)