"We recorded them together as much as we could. It makes such a big difference for them to be able to riff together. [Recording more than one character at a time] doesn't always work in animation. But it really works with those guys."
3. Get in some new distinguished voices in as well, like Dame Helen Mirren as the scary College Dean Hardscrabble.
"I was very intimidated at first but she was so easy ... the first day we recorded her over and over again because she wanted to try different takes and I wanted to try different things. She was very much into the idea of working it out until we found a take on the character we both liked. When takes a role she takes in incredibly seriously."
4. Use the many advances in animation technology from 2001's original. But hey, you don't have to go crazy.
"Yeah, it's funny we wanted to take full advantage of what technology can do now but we didn't want it to look totally different. We wanted to make sure no matter how the world is lit and rendered, our character designs still had a kind of the deceptively simple look for the first film."
5. Hair loss comes to us all
"In the first movie Sulley had 2.3 million hairs and now he has five millon or something, So if you think about it and watch the films in the correct order, he lost a couple of million hairs as he got older. As did we all."
- TimeOut
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