Coronation Street viewers are in a tizzy, suspecting that Kit Green might not be Bernie Winter’s biological son and have even speculated on his real identity.

Earlier this year, Bernie (played by Jane Hazlegrove) dropped a bombshell when she revealed she had a son named Zodiac, whom she gave up for adoption nearly three decades ago.

With only the knowledge that his name was changed from Zodiac to Christopher Green shortly after his birth, Bernie set out to find him.

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The plot thickened when it was disclosed that he was actually a detective who recently arrived on the cobbles: Christopher ‘Kit’ Green. The truth about him being Bernie’s biological son eventually surfaced, but Kit (Jacob Roberts) wanted nothing to do with her or her family.

Meanwhile, Bernie’s twins Gemma (Dolly-Rose Campbell) and Paul (Peter Ash) are oblivious to the fact they have another sibling, reports the Express.

Adding to the intrigue, Kit played a role in getting Nathan Curtis (Christopher Harper) jailed for the murder of Lauren Bolton. Fans will remember that the troubled young girl vanished earlier this year and is presumed dead.

In a shocking turn of events, Kit planted Lauren’s DNA in paedophile Nathan’s van, framing him. However, viewers were let in on the grim reality of Lauren’s disappearance: she was brutally killed by twisted solicitor Joel Deering (Calum Lill).

Now, fans are convinced that a surprise baby swap involving Bernie took place years ago – and the beloved resident of the cobbles could be in for a major shock.

Corrie fans have been airing their wild theories on a Facebook fan page, with one viewer speculating: “I’m wondering if Kit and Joel were mixed up after birth and Joel is Bernie’s other child and Kit is letting Bernie’s think it’s him could be housemates.”