Tōru Kazama is Shin-chan's immaculately groomed and perfectly mannered friend, who usually loses his mind when Shin-chan tease him and other things. He also bickers and fight with words with Shin Chan sometimes. Despite that, they are actually closer than any of the other friends they have. A strong evidence is that when Kazama was extremely frustrated and lonely in several episodes, Shin-chan was the only one who stayed with him. Even though Kazama always denied when Shin Chan says that he is his most best friend, his best friend is Shin Chan too. Of all Shin-chan's friends, he's the only one referred to by his family name (Kazama-kun). Only his mother uses his given name (Tōru-chan). He participates in extracurricular activities like English Conversation and seems knowledgeable in any subject (even if he is not), which makes him look snobbish but he is a good person. He plays association football and baseball very well. He likes female animation and comic book characters, though he tries to hide that fact from his friends. He also has a strong attachment to his mother that hints at him having an Oedipus Complex. A recurring theme in the show is that he tries to hang out with upper class girls his age to be a part of the "elite", but runs across Shin-chan being weird which ultimately causes the girl to lose interest in hanging out with him. He sometimes like a girl from tuition classes. It is hinted that Kazama might marry Himawari in the future.
He is known as Cosmo in the Vitello and Phuuz dubs.
He is known as Georgie Herbert Walker Prescott III in the Funimation dub and is changed into an ultra-conservative Republican American. In the third season, it is stated that his family lost most of their money due to the economic recession, though he attempts to hide this from his peers.