The Buddha, Siddhartha Gautama, has been, and always will be only a man. There are no eternal Gods in Buddhism.

Their lifestyle of self-denial means that most of them are skinny.

The "fat Buddha" is not actually The Buddha, but a gluttonous monk who managed to reach nirvana (eternal bliss, extinction of desires), even though he was gluttonous.

they hope to achieve enlightenment and then to release themselves from the cycle of rebirth.

The main goal of following the teachings of the Buddha is to attain the Nirvana, the state of freedom from all kinds of suffering. It can also be known as the state of eternal happiness, totally free from birth, old age, illness, death, anger, greed, delusion, etc.

Buddha Is As Buddha Does has 288 pages.