Very much similar to the patron saints of Catholics. The Buddhist has Patron Buddha or Bodhisattva base on the animal zodiac.
Depending on your animal sign you have a corresponding Guardian Buddha. It is said that you, base on your animal zodiac, has an immediate affinity with your Guardian Buddha.
Praying to your Guardian Buddha and or chanting their mantra brings you protection and blessings.
AVALOKITESVARA si the Guardian Buddha of people born under the sign of the RAT.
Avalokitesvara is one of the most revered Bodhisattva. He is popularly known as Kuan Yin in Chinese Buddhism and as Cannon in Japanese Buddhism. Avalokistesvara is also known as the Buddha of Compassion, although, as mentioned He is actually not a Buddha but rather a Bodhisattva.
The mantra of Avalokitesvara is OM MANI PADME HUM.
AKASAGARBHA is the Guardian Buddha of people born under the sign of the OX and TIGER.
Akasagarbha Buddha is also known as the ‘Boundless Space Treasury’ Buddha. He is sometimes considered as twin brother of Ksitigarbha Buddha. He is a Buddha who bestows wisdom through enlightenment.
The mantra of Akasagarbha is OM VAJRA RATNA TRAH SOHA.
MANJUSHRI is the Guardian Buddha of people born under the sign of the RABBIT.
Manjushri is the Bodhisattva of wisdom and awareness associated with spiritual studies or pursuits. He also brings education and marriage luck.
The mantra of Manjushri is OM A RA PA CHA NA DIH.
SAMANTABHADRA is the Guardian Buddha of people born under the sign of the DRAGON and SNAKE.
Samantabhadra is perhaps one of the most misinterpreted and un-identified Bodhisattva in Chinese Buddhism. While he is highly revered in Tibetan. In China, his female manifestation is often thought of as Kuan Yin. However, Samantabhadra is easily identified because He/She usually seats a top an Elephant. Samantbhadra together with fellow Bodhisattva Manjushri is a disciple of the Buddha Sakyamuni. If Manjushri is known as the Bodhisattva of Wisdom, Samantabhadra is known as the Bodhisattva of Truth.
The mantra of Samantabhadra is OM AH HUM AH A KAR SA LE OD A YANG OM DU
MHASTHAMAPRAPTA (pronounced with an A after the M. MA-HAS-THA-MA-PRAP-TA) is the Guardian Buddha of people born under the sign of the HORSE.
Mhasthamaprapta is also a misinterpreted Bodhisattva. In Chinese Buddhism He/She is usually mistaken as the Kuan Yin. Some think Mhasthamaprapta is a lesser Bodhisattva but He is actually one of the Eight Great Bodhisattva. Mhasthamaprapta aids an enlightenment of a person if they seek the Sutra of Infinite Light.
Unfortunately, I’m not well versed yet with the mantra of Mhasthamaprapta and is unable to share it here.
VAIROCANA is the Guardian Buddha of people born under the sign of the SHEEP and MONKEY.
Vairocana is a Celestial Buddha and is often interpreted as the Bliss Body of the Historical Buddha Gautama Buddha. He is a Buddha who grants wisdom and enlightenment.
The mantra of Vairocana is OM VAIROCANA HUM.
ACALA is the Guardian Buddha of people born under the sign of ROOSTER.
Acala is the principal destroyer of delusion and protector of Buddhism. Acala helps purifies negative karma and is a powerful Buddha for those who are in need of self control.
The mantra of Acala is NAMAH SAMANTA VAJRANAM CANDA MAHAROSANA SPHOTAYA HUM TRAT HAM MAM.
AMITABHA is the Guardian Buddha of people born under the sign of the DOG and BOAR.
Amitabha is one of the most revered Buddhas. He is also called as the ‘Buddha of Infinite Light’. Amitabha greatly bestows blessings to those who earns good karma. He is also a powerful protector Buddha.
The mantra of Amitabha is OM AMI DEWA HRIH.