 Through a series of adventures he eventually gains the love of his big brother George, (Jonathan Lipnicki), acceptance by the extended Little family, and even the grudging tolerance of the family cat Snowbell (voiced by Nathan Lane), who is a member of an alley cat Mafia-like gang that wants to kill Stuart.In the sequel, Stuart and his brother George (Jonathan Lipnicki) are attending school together, but his mother (Geena Davis) doesn't seem to think Stuart is capable of taking care of himself.Later, Stuart meets a bird named Margalo (voiced by Melanie Griffith) who he unintentionally saves from an evil Falcon (voiced by James Woods) and eventually becomes smitten with.