Rooney was unveiled as the new England captain last week despite an underwhelming performance at this summer’s World Cup, which saw the striker score only one goal.
Norway are placed 53rd in the Fifa world rankings, 33 spots below England, but Forren insists he will not be afraid of his opponents at Wembley.
“Rooney looks a bit chubby,” Forren said. “They’re obviously good players, and many of them are in good form already after three games in the Premier League but we’re looking forward to it.”
Rooney is excited to be leading England into a new era — one which he is determined will be a success.
“It’s a great honour to captain my country, something I’m extremely proud of,” Rooney said.
“I want to be a successful, I want to be a successful captain and I want this team to be successful.
“I am sure all the team want that, we’re working hard to try and get there. Tomorrow is the start of a new chapter.
“We have to put the summer behind us. We were all, obviously, very disappointed.
“We went into the tournament with high hopes, we were expecting better for ourselves, but unfortunately that didn’t happen but we have to move on. There’s no point looking back. We’re still continuing on the road we’ve started. We knew it was going to be tough.
“We’ve obviously got a couple of retirements and then we’ve got young players coming into the squad, which is exciting.
“It is exciting times with the players you see week in, week out for the clubs.
“What we need now is these players to bring that form to England and I am sure we’ll do very well.”
Rooney impressed in his first outing as captain, addressing a packed press conference with honesty and sincerity.
The forward spoke well of his predecessors as skipper and promised not to change his demanding personality.
Rooney did, though, accept that the role brings with it extra responsibilities, not only meaning he captains the side but represents the nation as an ambassador.
“You have to be the leader, especially with the amount of young players in the team at the minute,” he said. “And then, of course, you do have to be an ambassador, you have to take the responsibility and be a role model for young kids. That’s something I want to do.
“Obviously I had a few issues in my younger days, but they’re behind me.
“As a footballer, you don’t want to settle for anything less than the best,” he said. “You want to win and that’s the aim, that is what we — me and the manager and the other players — want to do. We want to win.”