AFL legend Leigh Matthews has warned his latest coaching graduate Chris Scott that Geelong cannot continue their stellar run of success.

Matthews is rapt for Scott, who was confirmed as the new Cats coach on Monday.

The four-time premiership coach, one of the game's most legendary figures, Mathews led Brisbane to their 2001-03 flags.

Chris and his identical-twin Brad were two key and fearsome players in that dynasty.

Brad has enjoyed an impressive debut season as North Melbourne coach and now Chris has taken over the Cats, who played in the 2007-09 grand finals for two premierships and made this year's preliminary finals.

Matthews strongly doubts the Cats can maintain that sort of form.

"It's good in the respect that you've got a talented team to coach, but I don't think anyone in their right mind would think that Geelong is going to win 80 per cent of its games over the next four years," Matthews told the AFL website.

"They have been on such a high, so he gets the opportunity to take over a team that is playing well, but it's also a team that has had such an unbelievable period of success that it's hard to fathom that they could live up to that same level in the years ahead.

"That's just the two-fold nature of coaching Geelong at this point in the club's history."

Matthews describes the Scott twins as "very different people", but said they had the underlying strength of having confidence without arrogance.

Matthews, one of the toughest players in the game's history, always enjoyed how Chris approached his football.

"What I really liked about Chris at the Lions was he was a savage on-field competitor and a mild-mannered bloke off the field. I love that combination," Matthews said of Chris' 215-game career.

Chris played in the 2001 and `02 premiership sides, but was a last-minute omission from the 2003 grand final team when Nigel Lappin was cleared to play.

"I think that kind of adversity is always a good test of a person's character," Matthews said.

"The way he handled it was just another tick for the kind of person he is."

Matthews is proud that people who have played under him, such as the Scotts, Collingwood captain Tony Shaw and Brisbane skipper Michael Voss, have gone onto coaching careers.

"I was in my mid-40s when I went to the Lions and I had children who were older than a lot of my players, so you tend to have a fatherly, next generation sort of situation," he said.

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