Esports organization eUnited gave their social media accounts a Halloween makeover - dressing up as "a Top 24 Champs team" - i.e. OpTic Gaming.
OpTic had a dysmal showing at the 2018 Call of Duty World Championship in August, eliminated in the group stages, despite only needing to win a single map against Evil Geniuses to advance.
Evil Geniuses, led by now Envy captain Patrick 'ACHES' Price, went on to secure World Championship and reinforce the ACHES vs OpTic rivalry - but it appears eUnited wants to start a rivalry of its own.
Although their original tweet was deleted, eUnited blamed it on a ghost, doubling down on their costume plans for Halloween.
And it wasn't just this single tweet, they also changed their entire Twitter banner to the green colors of OpTic.
eUnited placed 4th at the most recent World Championship, although they may have experienced a slight lapse in memory - as they too placed top 24, albeit at the 2016 World Championship - as they were reminded by CoDGamepedia.
You guys didn't have to dress up then 😅 pic.twitter.com/WjtsDaua46— COD Gamepedia (@CODGamepedia) October 31, 2018
eUnited's social media team may have earned somewhat of a reputation for their memes and gags, but this joke particularly caught the community by surprise.
CWL caster and host Clint 'Maven' Evans simply responded with a picture of the OpTic Gaming's Seth 'Scump' Abner, presumably mirroring his own reaction.
100 Thieves graphic designer Alpaca - formerly of OpTic Gaming - responded similarly, with a picture of an open mouthed Drake in complete shock and awe.
MLG Director Ethan Spence just seemed happy to see another rivalry brewing ahead of the new season.
There's no response yet from OpTic Gaming themselves, but we're sure they're cooking something up to fire back at such slander - although a social media war with eUnited is not for the faint hearted.
Of course, a handful of fans of the GreenWall were not impressed by eUnited's hilarity, but it's the response they would have expected.