Fans are just discovering the reason behind legendary rapper Eminem's - real name Marshall Mathers - stage name.

Eminem, whose real name is Marshall Mathers, has been a household name for decades - but some fans are only just realising what his rap name actually stands for

While it might seem obvious, some fans are only now recognizing the origin behind Eminem's rap name. The rapper, whose real name is Marshall Mathers (or Marshall Bruce Mathers III if we want to go on a full name basis), rose to prominence in the late '90s with the release of his widely acclaimed debut album The Slim Shady LP.

But despite releasing music for around 30 years, people are only just learning how Eminem got his rap name. One Reddit user asked: "Why did he call himself Eminem? Does anyone know why he called himself that?

He's a titan in the rap game - but it seems some fans have only just realized what Eminem's name really stands for. The American rapper and music producer is hailed for bringing hip-hop to Middle America and smashing racial barriers for white rappers.