FM radio star Merrick Watts is making the jump to the AM dial, joining 2GB next week.

Ben Fordham is on holiday, being replaced by Natalie Peters in Drive.

On Good Friday, she’ll be joined by former Nova breakfast host Merrick Watts.

It’s certainly not his first encounter with 2GB though, after fighting a merciless prank war with Ray Hadley for years, while one half of the Merrick and Rosso Show.

Ray set up a petting zoo in Merrick and Rosso's car spots

Merrick didn't seem to mind too much

Neither did Ray

Ray Hadley and Merrick Watts

Merrick Watts

Rosso and 2GB producer John Redman

Ray Hadley put a wheel clamp on Merrick's car so he couldn't leave work

Ray Hadly in Nova's studio with Merrick and Rosso

It all started when the Nova boys set up a disco in Ray’s parking spot at 4am, involving 20 young men wearing ‘assless chaps’.

Ray Hadley was happy to roll out the red carpet for Merrick, but only after they settled their old score.

“Obviously the management of this station don’t know what he did over a long period of time,” says Ray.

Click PLAY below to hear the hilarious chat and more about their old pranks