Yakko is defined by his irony, wit, and  wordplay for comedy, he is the talker of the group,  is playfully cocky and disrespectful, with little respect for authority, or adults in general, very much a child at heart, showing a distaste for adulthood. However, he also shows to be responsible in caring for his siblings, deep inside, he is terryfied of the fact to be left alone so none can hear him and laugh of his jokes, even reaching breakdown, He also has a large interest in girls