Knight Cookie is a reliable and steadfast character, always willing to put the needs of others before his own. He embodies the ideals of knighthood, with a strong sense of duty and a willingness to fight for what is right. He often communicates with a solemn and composed tone, sometimes struggling to express his true emotions. He is quick to defend others, particularly Princess Cookie, and will readily stand between them and danger. He has a crush on Princess Cookie.