Tom is a wisecracking, adventure-seeking gray tabby cat, described as the "world's most popular cat".

The virtual pet apps featuring Tom are very popular. In his app, he is a fully animated interactive 3D character that users can tickle, poke and play with. Users can also get Tom to repeat what they say. The first app, Talking Tom Cat, was launched in July 2010. As of March 2020, the apps have achieved more than 12 billion downloads.