Tube
Sock
puppet
muppet
Fraggle
(Not a pun – there is a houseplant known as the Rex Begonia.)
Fraggle –> Ragamuffin
(because I refuse to go for the obvious)
Dickens. (Dammit, I was all set to jump in with “scissors” if someone went to the obvious place.)
Pip
squeak
bubble
burst
pipe
dream
Horror
Slut.
Paris Hilton
Vacuuous.
Pinhead
Zippy
Ziggy