feefighters is a 'fun' name, fukime will be seen as a 'rude' name. You are right that your company name doesn't have to be a boring corporate name, but I think

feefighters is a 'fun' name, fukime will be seen as a 'rude' name. You are right that your company name doesn't have to be a boring corporate name, but I think naming it something that has negative connotations is a bit different to naming it something that is fun