LOVE Island All Stars viewers claim to have spotted a "feud" between Anton and a fellow show OG.
They called out the bad vibes after a video showing one star wreaking havoc on the villa with his banter was posted on the ITV2 programme's page on X.
It captured funnyman Toby, 24, jumping out at his Love Island All Stars co-stars in an attempt to make them jump.
Scenes showed him in different areas of the villa, including the corridors and the bedroom door, letting out a squeal to prompt a terrified reaction from the sexy singletons.
While Molly, 30, saw the funny side - after letting out a huge scream - and Arabella, 32, hit back with a giggle and a curse, some did not see the funny side.
His antics appeared to have irked Scot Anton, 28, who had a face like thunder as he failed to acknowledge Toby's behaviour.
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He strode straight past him into the bedroom with a stern expression on his face, leading one fan to quip: "Anton is immune to Toby’s nonsense."
Another put: "Anton when Toby hid behind the door…"
A third commented: "Anton wasn't having any of Toby's scary antics."
It came after Georgia H's best mate Olivia Attwood exclusively told The Sun how she wasn't faking her romance with Anton.
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Speaking exclusively to The Sun, Olivia said: "Georgia just couldn't play a game even if she wanted to, she's too organic.
"That girl is the most unfiltered and pure person you'll ever meet."
She added: "I really like Georgia and Anton, I've seen Georgia with a few different guys over the years and he's definitely the kind of guy that we all want to see her settle down with," the Loose Women star told us at the The TV Choice Awards.
"Also he's shown a lot more over the last couple episodes.
"There's a lot more to him, I don't think he's a pushover, I think he's got quite a bit about him."
Meanwhile, former Love Island All Stars alumni Demi Jones - who was evicted in a shock double dumping earlier in the series - has revealed another of Anton's bedroom blunders.
Bronzed reality favourite Demi was asked: "Did you wear fake tan in the villa? Was it hard to maintain?"
Demi replied: "It held up so well! Although I had to runaway and hide in the toielt one night and scrub it off!
"I reapplied and slept in Anton's bed and the next morning he saw the sheets and wasn't impressed.
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"But he loves me so it's fine."