Another ` friend of furby ' , called Shelby , is similar to Furby , but looks like a clam , has lots of improvement in memory , and has a different personality ; it was released in 2001 and can communicate with the original Furbies and Furby Babies . Another ` friend of furby ' , called Shelby , is similar to Furby , but looks like a clam , has vast improvements in memory , and has a different personality ; it was released in 2001 and can communicate with the original Furbies and Furby Babies .