As AFL players, nothing fazed Brad and Chris Scott - two of the most fearsome characters in the game's history.

As rival AFL coaches, the last thing the identical twins wanted to do on their 35th birthday was front the media to talk about themselves.

But, while they would prefer not to discuss themselves, they did it particularly well.

They are as just impressive as young coaches as they were ruthless as Brisbane premiership players.

Brad will coach North Melbourne and Chris will be in charge of Geelong when the two teams clash this Saturday at Skilled Stadium.

It will be the first time identical twins have coached against each other for premiership points.

They have coached against each other already, when Geelong beat North in round one of the pre-season cup, but this one is for real.

"It's been a real highlight on the calendar," Brad said sarcastically about Tuesday's joint media conference.

"It is unusual and it's the first time that two identical twins have ever coached against each other, so I understand that's of great interest.

"But when you're 35 and been constantly compared and spoken about as one instead of individuals, it probably starts to wear thin after a while.

"But I completely understand the interest other people have in it."

Both were team-mates in Brisbane's 2001 and 2002 premiership teams, but missed out on the Lions' 2003 flag.

After two years as assistant coaches, Brad took over North last season and Chris started this year in charge of the Cats.

They spoke about how competitive they have been with each other throughout their lives.

Indeed, Brad had already made a point after Saturday's win over Port Adelaide to say he had recruited their mother Lynne as a Kangaroos fan.

But they also stressed that Saturday's game was far more important than any sibling rivalry.

"We've never been the people to engage in one-upmanship," Brad said.

"It has nothing to do with me v Chris, it's got to do with Geelong v North Melbourne."

Chris quickly added: "I don't think it would be a very good message to your players, to your club and supporters.

"There's a bit of interest in us and we understand that, we're prepared to accept that.

"But gee, this game is a lot bigger than the two of us, surely."

The Kangaroos posted their first win of the season last weekend, while the Cats and Collingwood are the only two unbeaten teams after the first six rounds.

The Cats will set an AFL record for the most consecutive wins at one venue if they extend their home-ground streak to 25 on Saturday.

The last team to beat the Cats in Geelong were the Kangaroos, in round five of the 2007 season.

That stung the Cats, who went on that year to win their first premiership in 44 years.

Cats tall utility Cameron Mooney could return to the team, while captain Cameron Ling might be in doubt because of an ongoing hamstring problem.

Kangaroos key forward Lachie Hansen is unlikely to be available after he collided head-first with the fence during last Saturday's win over Port Adelaide.

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