Sir Quentin Hadley
Not sure if his griffon is called Peter or Kathy.

Arcane: Mountain
Base Rarity: Legendary
Troop Type: Knight, Beast
Troop Role: Warmaster
Troop Id: K14_18 / 6841
Max skills: 18    20    25    7
Kingdom: Sword's Edge
Kingdom Id: 3006
Trait #1: Knight Shield
Allied Knights gain 2 Armor.
Trait #2: Armored
Reduce damage from Skulls by 25%.
Trait #3: Griffon Commander
All Knight Allies start the battle with 50% Mana.
Spell: Griffin Strike
Description: Convert Purple Gems to Yellow and Green Gems to Skulls. Deal [Magic + 2] damage to 2 random Enemies.
Mana Color: Yellow, Brown
Mana Cost: 18
Spell Id: 8246
Switch Release: Tuesday, Jan 1, 2030