Sonic/The Adventures of Elmo In Grouchland will show clips in July 11, 2012. Cast * Antoine as Big Bird * Sonic as Snuffy * Tails as Elmo * Amy as Zoe * The Red Carpet (from T&F) as The Blanket * Luigi (from Mario) as Dorothy * Mr. Thorndyke and Rotor as Ernie and Bert * Cosmo as Ernestine * Professor Von Schlemmer as Brad * Big as Cookie Monster * Knuckles as Grover * Sally as Rosita * Spelunk as Simon Soundman * G.U.N Commander as How Now Brown * Various Robots as The Honekers * Espio as Count Von Count * Breezie as Countress * Sam Speed as Athena the Owl * Shadow as Herry Monster * Blaze the Cat as Gladys the Cow * Coconuts as Guy Smiley * Heavy/Bomb as The Two-Headed Monster * Charmy Bee as The Al