ITV's The Masked Singer is hurtling towards the semi finals with two singers being unmasked on the show on Saturday night (30th January).
Alan Carr appeared on the latest episode as a guest judge - joining the originals Mo Milligan, Rita Ora, Davina McCall and Jonathan Ross - for the two nail-biting eliminations.
Blob got the judges on their feet with his charismatic performance of Addicted to Love by Robert Palmer but despite putting on a great show, he found himself in the bottom three alongside Viking and Dragon. The judges voted to keep Dragon in the competition, and Blob was finally unveiled as none other than Sir Lenny Henry.
Viking was unmasked as A-ha singer Morten Harket.
There are now five remaining The Masked Singer contestants in the semi-finals - Badger, Harlequin, Dragon, Sausage and Robin - who will face another double elimination on Saturday night (6th February).
Blob's performance of Hotel Room Service by Pitbull two weeks ago got fans convinced that it was Lenny Henry as the actor and comedian famously appeared in the advertising campaign for hotel chain Premier Inn. They also spotted the Eiffel Tower in the background in the VT, which some viewers reckon is a link to Henry's ex-wife, actress and comedian Dawn French.
Here's everything we know so far about Blob, including all the guesses and clues.
Who is Blob? Songs, clues, guesses
Meet Blob who is hoping their singing will be just as entertaining as their costume. Blob has many eyes but will all eyes and ears be on this colourful monster?
Week two – Uptown Funk by Bruno Mars
Week four – Word Up by Cameo
Week five - Hotel Room Service by Pitbull
Week six - Addicted to Love by Robert Palmer
- Blob describes himself as "big, bright and loud".
- This isn't the first time Blob has been called "four eyes" – so we could assume Blob is a famous glasses-wearer.
- He revealed that having extra eyes help him "observe everything, and I've definitely done a lot of that in my career".
- Blob's introductory video took place in a classroom, with the words 'hello', 'waists', 'jug' and 'goal' seen on a desk.
- Blob has "recorded a demo for Simon Cowell".
- "I'm a bit of an academic."
- "As a musician, I've had the great fortune to duet with some amazing artists over the years, which has led me to come face-to-face with some legends and personal heroes of mine."
- Blob has "played to large audiences, and also intimate celebrity gigs."
- They've also played "for a top political journalist".
- Blob has "written songs", adding, "My career has seen me record with the best, like when I worked with George Michael's producer."
“Two lies and one truth” clues:
- "I was named after a doctor."
- "This blob is anything but squishy."
- "I'm related to my sidekick."
- Arnold Schwarzenegger
- Stephen Fry
- Frank Skinner
- Nile Rodgers
- Greg Davies
- Richard Osmond
- Andi Peters
- Romesh Ranganathan
- Lenny Henry
- Harry Hill
- Noel Edmonds
The Masked Singer UK theories
Is Blob Harry Hill?
Some viewers think TV presenter and funnyman Harry Hill could be behind the mask.
Taking to Twitter, one wrote: "Deffo think thats Harry Hill on the masked singer as Blob."
During the VT, Blob pointed out that he's often called "four eyes" making the judges think he could wear glasses. Harry certainly seems to tick that box, as well as being a very bold personality like Blob.
Is Blob Lenny Henry? Yes!
While none of the panellists guessed Lenny Henry to be behind Blob, the knighted comedian was a top choice for viewers with even Strictly professional Oti Mabuse tweeting out Henry as her prediction.
The actor and presenter is best known for co-founding Come Relief and starring in numerous series such as The Lenny Henry Show, The Magicians and children's programmes Tiswas, Big & Small and Jackanory Junior.
In 1999, he played a teacher in drama Hope and Glory while last year, he narrated the Christmas animation Zog and the Flying Doctors.
Is Blob Greg Davies?
Davina McCall suggested the real identity of Blob was Taskmaster's Greg Davies.
The 52-year-old, who worked as a teacher before pursuing a career in comedy, is best known for starring in sitcoms such as The Inbetweeners, Man Down and Cuckoo.
The 6ft 8 actor has appeared on Fast and Loose, Doctor Who, Travel Man and Who Do You Think You Are?.
Is Blob Richard Osman?
Mo Gilligan thought TV presenter Richard Osman was the very tall man behind Blob.
The comedian and producer, who is best known for presenting Pointless and House of Games, has appeared on a number of shows such as Child Genius, Taskmaster, The Last Leg and Who Wants to Be a Millionaire?
He recently published his first novel, The Thursday Murder Club, which arrived in shops last year.
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Is Blob Andi Peters?
Rita Ora guessed TV presenter Andi Peters was Blob, drawing on the broadcaster's experience in children's TV.
The 50-year-old began his career presenting CBBC shows The Broom Cupboard and Live & Kicking, before appearing on Show Me the Telly, Saturday Night Takeaway and Good morning Britain.
He had a small part in 1999's Toy Story 2, voicing a baggage handler.
Is Blob Romesh Ranganathan?
Comedian and presenter Romesh Ranganathan was Jonathan Ross' pick as the celebrity behind Blob.
The stand-up comic was a maths teacher before finding fame, and is now best known for presenting The Ranganation, Judge Romesh, A League of Their Own and It's Not Rocket Science.
He has also appeared on Taskmaster, Sunday Bunch, Top Gear and Comic Relief.
Is Blob Noel Edmonds?
Some viewers are convinced that Blob is in fact Deal or No Deal presenter Noel Edmonds down to his early days hosting Children's TV.
From Saturday-morning show Multi-Coloured Swap Shop to teen phone-in show Z Shed, Edmonds' early broadcasting career was in kids' TV, before he went on to host family shows like Noel's Saturday Roadshow and Noel's House Party.
The Masked Singer airs Saturday nights on ITV. Looking for something to watch? Find out what is on with our TV Guide.