Summer is Bran's direwolf.
Powers and Stats
Origin: A Song of Ice and Fire
Age: A few years old
Powers and Abilities: Superhuman Physical Characteristics
Attack Potency: Street level (Direwolves can easily kill humans)
Lifting Strength: Probably Above Average Human
Striking Strength: Street Class
Durability: Street level
Range: Melee range
Standard Equipment: None
Intelligence: Unknown, likely above that of the average animal (Shares a link with Bran and probably has some understanding of human emotions)
Weaknesses: Nothing notable.