Since "rosita" + R is found combo for Rosita (Thank you AeroGel) I decided to find more characters
Here is the list
Muppets
Guy Smiley
Roosevelt Franklin
Farley
Professor Hastings
Lefty The Salesman
Betty Lou
Prairie Dawn
Herry Monster
Granny Fanny Nesselrode
Sam The Robot
Benny Rabbit
Rodeo Rosie
Clementine
Forgetful Jones
Buster Horse
Gladys Cow
Telly Monster
Flo Bear
Merry Monster
Roxie Marie
Deena and Pearl
Louie
Mae
Mr. Johnson
Muppets (Fanon)
Big E. (Kaizo)
Evil Zoe (Kaizo)
Miscellaneous
Radar (Teddy Bear)
Global Grover
Journey To Ernie
Elmo's World
Combo For The Base
Cooke Monster + Movie
Frog + Kermit