HOW MASKED Mel B

TIM SAYS: Viking was the simplest of all the costumes in the show and it came together really quickly because of its big bold shapes.

The performer looks out of the top of the helmet.

The beard and body all hang off the shoulders of the performer and it’s mainly made from a flexible foam material called Plastazote, so that the short sword he sometimes carries with him isn’t going to do anyone any harm.

Harlequin

TIM SAYS: We went for the maximum width we could get through the set as the skirt measures 2.5 metres across.

When I take a ruler to work out how much space I would need to make it look good, it can scare me.

The costume has a huge crinoline hoop under the skirt, which normally would have metal boning.

But for this creation we ended up using fibreglass tent poles around the perimeter of the skirt to give it the rigidity it needed to hold its shape and give it grandeur.

Grandfather clock

TIM SAYS: This is my favourite because I love the tailoring, height and elegance. I wanted the body not to look like a pantomime costume, but to have the illusion of being made of panelling and timber.

Using genuine tweed and lots of layers made it complicated to work out but I think it looks so handsome.

It’s one of the ones I’d love to steal for a night out. If you look carefully, you’ll see he has a moustache on wiggly springs and the contestant looks out of the mouth.

TIM SAYS: Producers insisted on Blob from the start and it went through more re-draws than all the others put together.

At one stage it had legs from giant slinkies and had no eyes or mouth.

It kept changing until I drew something that looked like it had melted. Now he’s insane and glorious.

I designed a Dalek-style rig which hides underneath and takes the weight. Blob wheels around and the performer doesn’t have all the weight.

Bush Baby

TIM SAYS: Bush Baby looks a bit like a possum but was inspired by Baby Yoda. It is very cute – but very hot.

To make it look right, there’s an entire fur suit under the Babygro to make it move properly.

Despite our best efforts to cool it by cutting large holes in the ears and vents at the top of the head, we had to strap ice packs to the performer while they were on the stage.

The performer looks out of the muzzle – and luckily was an absolute star who didn’t grumble.

Seahorse

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TIM SAYS: We had trouble with a lot of the lighting on Seahorse and had to keep tweaking the wiring.

We wanted it to look transparent. It’s a lightweight wire frame that’s been soldered together and over the top we’ve applied organzas and silks, all hand-stitched with sequins around the edges to create that glassy look.

It’s one of the easiest ones to wear.