I believe it is Veteran Comedian Jack Carter.
Putnam's grandfather
albert Einstein
Drosselmeyer
a Grandsister is your grandmother or grandfather's sister
Old Timer
The famous comedian Jack Carter!!
The lady who plays Gibbys mum is Lauren Benz Phillips.
Carly
Yes. Guppys real name is Ethan munck and gibbys real name is noah munck
His real name is Noah Munck.
Noah Munck.
NOBODY
yes they are gibbys name is noah and gubblys name is ethan.
Wilfred Mott
That was his step-dad played by Liam Neeson.
Saif Ali Khan
Roy Aitken (Jim Aitken "Jamaican")