Krishna !

Lord Krishna is mostly shown as having a dark blue and black complexion :
Black and Dark Blue colors represent absorption and accommodation of all Creation, Oneness with all Creation, Krishna therefore in Geeta says,"I am in All and All are in ME".
Lord Krishna is known as the incarnation of Vishnu, the protective Power of Preservation of all Creation.
Brahma, the Creator, is also shown as being born of Vishnu representing that Preserver is also Creator, and preserves all Creation. Preservation and Creation is Change !

Lord Krishna, one with power of Creation, Preservation and Creation is Protector of all Senses !

Krishna, controller of the senses is also known as Gopal. Go means Senses and Pal means Protector of the Senses. 5 Horses of the Chariot driven by Krishna represents 5 Senses !

Lord Krishna was known to have mastery over the flute and mesmerized all with the melody of flute.
The flute represents the head and spine with seven wisdom centers (Chakras or Churches).
Mastery over the flute refers to the mastery over the techniques of concentration on the Head and Spine, the meditation. By concentration over head and spine, one awakens the power and knowledge of the seven wisdom centers and attains the Greatest Knowledge !

Krishna, the master of Meditation mesmerized all with the melody of the Greatest Knowledge - Mahabharat
Maha - The Greatest
Bha - Knowledge
Rat - Connectected With
The Greatest Knowledge is the Knowledge of Immortality - The song of the Soul !

Lord Krishna taught the highest science of Immortality for all to realize Truth, God and I are One !