"I am delighted that we have kept all our main players," said the manager.
"We have added Tom Rogic, Rami Gershon and hopefully Viktor - we are just waiting on the paperwork coming through - so it has been a decent window for us.
Interview - Celtic manager Neil Lennon
"There was another bid in yesterday [for Hooper], again, an improved offer. I am not going to go into the figures but it was substantial.
"We made our position clear and we stuck to that. I knew what has happening so it wasn't nervy for me.
"It might have been for supporters but there was a lot of rubbish and speculation being bandied about, a lot of nonsense, but I suppose that comes with the fun of it all.
"I wanted him [Doyle] to come in and play with Gary but Wolves were firm on that as we were regarding Gary.
"Kevin knows what the club is about but he is pretty committed with Wolves for the foreseeable future and we respect that."
Georgios Samaras and Emilio Izaguirre were both taken off during Wednesday's 4-1 win against Kilmarnock and Lennon is hopeful both will be fit for the Champions League matches against Juventus this month.
"It is a small tear for Georgios but we are going to be aggressive with his rehabilitation and our medical people, I wouldn't say they were confident, but they think he has a chance of making Juventus and we are hoping Emilio should be okay," he added.
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