>>48029945>>48030108>>48030143It may also be based on the hanguing earlobes often seen in buddha depictions, buddhist monks and several buddhist themed monsters.
Jirachi, Mesprit, Medicham and Lucario all have them.
Some sources say the hanguing earlobes in buddhism represent the fact that the Buddha was originaly a prince who gave up his riches, including his heavy earrings, but some also say it represent how he listens to all the suffering in the world with compassion.
The aforementioned pokemon all "sense" stuff. Jirachi senses wishes, Mesprit senses emotions, and Medicham and Lucario sense aura.