Who said "The sky is my kingdom."?

This quote is attributed to Drogon.

The sky is my kingdom. - Drogon

"The sky is my kingdom."

Drogon Adventure

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"The greatest adventure is life itself."

"The adventure of life begins with a single step."

"Adventure finds you when you stop running."

"Fortune and glory, kid."