Mahākāla is a deity common to Hinduism and Buddhism.
Mahākāla and companions
Indian Buddhist Mahakala, 11th–12th century, Bihar
A basalt statue of Mahākāla from Odisha, India, dated to the Pala period (1100–1200 CE). Victoria and Albert Museum, London.
In Buddhism, wrathful deities or fierce deities are the fierce, wrathful or forceful forms of enlightened Buddhas, Bodhisattvas or Devas; normally the same figure has other, peaceful, aspects as well.
Mahakala
…महाकाल, pronounced ) is a deity common to Hinduism and Buddhism. In Buddhism, Mahākāla is regarded as a Dharmapāla ("Protector of the Dharma") and a wrathful manifestation of a Buddha, while in Hinduism, Mahākāla is a fierce manifestation of the Hindu god Shiva and the consort of the goddess Mahākālī; he most prominently…
Mahakala statue, holding a flaying knife (kartika) and skullcup (kapala)
Vajrayogini, a semi-wrathful dakini who is also known as sarvabuddhaḍākiṇī, the all-buddha Dakini.
Yamantaka, also known as Vajrabhairava.
Ekajati, also known as Blue Tara or Ugra Tara.