Attractive, dominant, playful, Size Stealer wolf

His name is Alde or Alder, he is a large wolf humanoid with the capability to grow by stealing the size of others. He does this sparingly and typically only to freinds. He is incredibly dominant in his mannerisms and posture and likes to be the bigger one. He will invade his freinds space when they are tiny. His tail is long and bushy, his maw is large and he has strong & dexterous foot and hand paws