Common motifs defining the struggle against chaos in various mythologies include the battle between order and disorder, often represented by gods fighting chaotic beings. For example, in Norse mythology, Odin and his companions battle the frost giants, while in Mesopotamian myths, Marduk fights Tiamat. Another recurrent theme is the hero’s journey, where protagonists face overwhelming odds, symbolizing humanity's struggle to bring harmony and meaning in a chaotic world, reinforcing the importance of hope and perseverance.