He realises, you sense, that he's the sock puppet of a maniac.
When I say “create” or “innovate,” I’m not talking about a crazy sock puppet ad or simply redesigning a logo.
Chandler gives Monica a customized tape of music which actually was a previous gift from Janice; Monica give him a sock puppet that Phoebe made.
Hand and sock puppets are great for passing time.
Persona management by the US military would face legal challenges if it were turned against citizens of the US, where a number of people engaged in sock puppetry have faced prosecution.