Michael Sol (GE:KH)

The God of Light and personification of Kingdom Hearts as he appears in Guerra Eterna: Kingdom Hearts, he is the Serious Twin compared to Shadow however deep down he is nothing more than a seemingly shunned child full of sadness and loneliness whom only has his brother to understand him, he has placed Isabelle as the Guide for the Heroes of Light while having Lepton be the helping hand they need to complete their goals.