Keane will certainly enhance Glenn's striking options and Teddy feels he is one who will excite the crowd.
"He is a top player," said the skipper. "Again, for the club to spend seven million on another player can only be good for us.
"He's a quality international and I'm sure he'll excite the fans."
Another player to have caught the eye of Teddy is Belgian international Jonathan Blondel, who came on for his Premiership debut against Southampton.
It was Blondel's vision that freed Simon Davies down the right leading to the goalmouth scramble that eventually resulted in Teddy's penalty.
"He looked very promising, he's a lovely neat little player. Again he'll have to take time to learn how the Premiership works, but he'll be alright.
"He's a good player and a few clubs wanted to sign him. We've got high hopes for him."
Teddy Sheringham describes Robbie Keane as a 'quality international' and says the capture can only be good for the club.