Onion

Greg owning the term "Onion".

Onion is a nick name given to Greg based off his username Onision.

Origin

Ever since Greg's YouTube channel gained popularity, people misread his username as "onion". Even today, fans suffer from auto-correcting his name to onion.

Anti-Onisions

To spite Greg and his known hatred for mispronunciation of his username Onision, anti-onision vloggers and later bloggers started calling him onion. For years it was associated by Greg and fans as a hater term.

Ownership

Greg using the nickname "Onion" in a video.

In 2013, Greg started using the term Onion on social media to show haters he wasn't bothered by there nickname. He began stating that "Smurfs call me "Onion" because i make them cry." on his facebook. Greg continues to use variations of this phrase today.