Bert (Fictitious character : Henson) Elmo (Fictitious character : Henson) Grover (Fictitious character : Henson) Ernie (Fictitious character : Henson) Harold (Fictitious character : Johnson) harry (fictitious character : whybrow) maisy (fictitious character : cousins) lulu (fictitious character : reid) gilbert (fictitious character : clarke) Charlie (Fictitious character : Johnson)