A veteran professional golf caddie who acrimoniously split with Robert Allenby after an argument last week has accused the Aussie golfer of lying about being drugged and mugged in Hawaii earlier this year.

But the caddie, Mick Middlemo, did not stop there.

He launched a scathing attack on Allenby, who he said was doing himself and Australian golfers a disservice.

“He’s in the same class as Bernard Tomic. I’d absolutely put him in the same class,” Middlemo said.

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“The way he talks to people on the golf course is mind-boggling. To marshals, volunteers.”

Middlemo said he believed Allenby fabricated most of the story about being bashed, robbed, drugged and kidnapped in Hawaii.

Allenby maintains his version of events that led to his credit card being stolen and used, is correct.

He revealed to News Corp he “protected [Allenby] to the hilt” by feeding media Allenby’s version of events after the incident, but he doesn’t think that’s how it all happened.

“Do I think he got mugged and bashed and absolutely robbed? No I don’t. That’s the story I told because that’s the story he told me to tell because I wasn’t there,” said the caddy.

“Do I think he just fell over and cracked his head? Honestly I do … I think he fell over and someone picked up his wallet and had a great time with his credit card.

“Was he just drunk? I’ve watched the CCTV footage — you can’t see anyone put anything in his drink.”

Middlemo was Allenby’s caddie for seven months on the tour. He said he kept telling the golfer the truth about the night in Hawaii would come out.

“I kept thinking no it’s not, because you probably just fell over sh–faced drunk. You didn’t have enough to eat, you had a few wines, you fell over.”

Allenby maintains his story is the truth. A man was charged with using the golfer’s credit card, however police found no evidence of kidnapping or bashing.

The golfer’s nickname on the course is “the beast” and he has gone through a number of caddies through his career.

“You just can’t treat people like that, you know, because you play golf. It’s disappointing because there are so many Australian golfers out there who are genuine good guys,” Middlemo explained.

Robert Allenby couldn’t be reached for comment by News Corp but in a previous interview he addressed his angrier side.

“I can be a little intense but just because I’m a fierce competitor who hates to lose and hates to hit bad shots, it doesn’t make me a bad person. I hold no grudges with anyone and I take full responsibility for all my actions.”