Susie Essman is terrific as the smart, street-wise cat Mittens and Mark Walton gives great comedic voice to the fearless, resourceful hamster, Rhino.Click to see full answer. Likewise, people ask, who is the hamster in Bolt?Mark Walton as Rhino, an adorable but ferocious hamster who is also a Bolt super-fan.Furthermore, who Is Bolt the dog? Bolt is a fictional white haired German Shepherd and the eponymous protagonist of Walt Disney Animation Studios’ 2008 film Bolt. In the film, he is voiced by John Travolta. His journey and the personal evolution that it provokes in him is core to the film’s main themes. Similarly, is Bolt a true story? The canine star of a fictional sci-fi/action show that believes his powers are real embarks on a cross country trek to save his co-star from a threat he believes is just as real. Bolt, an American white shepherd, has lived his whole life on the set of his action TV show, where he believes he has superpowers.How Old Is Bolt the dog?According to dates seen on posters and in magazines that appear in the movie, Bolt was born in January 2003 and was 8 weeks old when adopted by Penny. By size and behavior, he is most likely 35 years old (in human perspective). The number on Bolt’s dog tag is the address of Disney’s feature animation building.