Devadatta plotted to kill this figure by releasing a drunken elephant, and this figure rejected asceticism after nearly drowning in a river. He became sick after consuming the meal served by Kunda, and this figure refused the crown of Magadha after traveling there with his horse Kanthaka. He gave his first sermon in the Deer Park, and he left his princely life after seeing an old man, a sick man, and a corpse. He once meditated under a Bodhi tree. For 10 points, name this "Enlightened One" who was the first to achieve nirvana, the founder of a 
Devadatta plotted to kill this figure by releasing a drunken elephant, and this figure rejected asceticism after nearly drowning in a river. He became sick after consuming the meal served by Kunda, and this figure refused the crown of Magadha after traveling there with his horse Kanthaka. He gave his first sermon in the Deer Park, and he left his princely life after seeing an old man, a sick man, and a corpse. He once meditated under a Bodhi tree. For 10 points, name this "Enlightened One" who was the first to achieve nirvana, the founder of a namesake religion.
Devadatta plotted to kill this figure by releasing a drunken elephant, and this figure rejected asceticism after nearly drowning in a river.
Siddhartha Gautama [accept Buddha]