Che Guevara is a man who lived a long time ago in another country called Cuba. He was a person who wanted to make changes in the way things were being done in his country. He fought against the government in his country and became a leader of a revolution.
After he died, many people started to use his picture and his name to make things like t-shirts, posters, and other things that they would sell to people who liked what he stood for. Some people even made movies and songs about him.
In popular culture, Che Guevara is sometimes seen as a symbol of rebellion and standing up for what you believe in. However, not everyone agrees with this, and some people think that using his image in this way is disrespectful or sends the wrong message. It's important to learn about history and people like Che Guevara so that we can understand what he stood for and make our own minds up about him.