https://github.com/ikr7/Twitter-Commands/でupdate_name

index.js

//@sn update_name [string]

module.exports = function(twi, data, cfg){
	var name = data.text.split(' ')[2];
	twi.post('/account/update_profile.json', {
		'name': name
	}, function(err, res){
		if(!err){
			console.log(res);
		}else{
			console.error(err);
		}
	});
};