Possible Clues:

• Inhale smoke from flame-thrower?
• Sue gets away from dangerous fiery type
• Though fiery, one may be long-winded
• Be tediously persistent as battleaxe
• "Game of Thrones" beast
• Monster put on wrapping paper
• Mythological creature, emblem of Wales
• Snap this fiery monster, a bloomer
• Flying monster of Welsh legend
• One very fierce doctor with endless pain