When Ronny Deila's Celtic are on a winning run, you're gonna hear him roar.
The manager's Ronny Roar has become a essential part of his obligatory post match celebration - and it seems the Celtic fan's love it.
The club has even made a Ronny Roar t-shirt which has got us thinking...where did he get the inspiration from?
See the Ronny Roar t-shirt here
Can you do better? Send us your Ronny Roar vines, videos or instavideos to et@heraldandtimes.co.uk.
Was Ronny inspired by the T-Rex in Jurassic Park?
Or was it King Kong?
Maybe he just likes movies, especially MGM produced films...
Has Ronny been listening to too much Katy Perry?
Did the office guy eating Ross in Friends sandwich just get to him?
Is his favourite Disney movie the Lion King perhaps?
Or maybe he was more of a Madagascar fan...
He must be a Freddie Mercury, fan surely? Those Ronnie Roar moves had to come from somewhere...
Andy Murray winning Wimbledon, it has to be that?
It's just so good let's watch it again in slow-mo...
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