PORT Adelaide rookie Martin Frederick promises to bring the flair of his Power heroes Daniel Motlop and David Rodan to life at Alberton.

The Category B rookie, who is of South Sudanese heritage, arrived at the Power through their Next Generation Academy.

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The 18-year-old turned heads with his exciting performances off half-back and the wing for South Australia at the NAB AFL Under-18 National Championships.

He has vowed not to change the way he plays now he's in the AFL system.

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"I'm a bit flashy, love to run and carry, a dummy here and there, but I'm real hard at it and love to compete," Frederick said.

"I remember getting an Auskick bag in 2006, had Daniel Motlop on there, David Rodan, and I think that's what started my flashiness.

"Just watching David Rodan sell a bit of candy here and there and Daniel Motlop (kick goals) from the pocket every now and then and I think it's just grown from there."

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North Melbourne swingman Majak Daw and Sydney defender Allir Allir have blazed the trail for South Sudanese kids in the AFL.

But for Frederick, his role model was Ugandan-born defender Emmanuel Irra, who played for South Adelaide in the SANFL before spending the past two years on the Power's list.

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"I'm probably more inspired by Emmanuel Irra, the first SA bloke to get here," Frederick said.

"He was the first SA bloke of African heritage to play SANFL, so I was watching from a distance.

"I met him when I was younger, so I've always been a fan of his and try to follow his footsteps."

Frederick is one of two Category B rookies who joined the Power last Friday, along with endurance machine Kai Pudney.

Pudney, who is of Japanese heritage, won the Yo-Yo test (22.1) and the agility test (7.9 seconds) at the SA Draft Combine in October.

"I think the Draft Combine is useful, you get to show what athletic traits you have, but I think football skills are more important," Pudney said.

Pudney has also showed he can find the football, having averaged 31 disposals and winning the best and fairest award in the SANFL under-18s competition for Woodville-West Torrens.

Glenelg midfielder Tobin Cox was also added to the Power's rookie list having been overlooked in last year's draft after two surgeries on his right shoulder in the space of 18 months.

"I still had a few talks with clubs last year (despite only playing one game), and this year I thought if I could stay on the field then I'm a good chance," Cox, 19, said.

"I was pretty confident if I played well I'd have a good chance and I'm grateful to be here now."