Man-Thing is a former scientist who was transformed into a creature composed of vegetable matter through the synergistic interaction of mystical energy and chemical mutagens.
Also referred to as 'Raksha', they are creatures composed of raw Essence, and inhabit the Wyld – the place that exists between the ordered Creation and pure Chaos.
They appear as one of Galactus's four heralds and is depicted as a creature composed of sentient water, rendering them a representative of the element water.
In the Hindu epic Mahabharata, Navagunjara is a creature composed of nine different animals.
Alongside Captain America, he later battled a bear-like creature composed of the Darkforce.
He also, at one point, becomes a towering creature composed of electricity, reminiscent of Zzzax, one of the Hulk's enemies in the comic series.
But if research on human embryonic stem cells ever gets going, people will be hearing a lot more about chimeras, creatures composed of more than one kind of cell.
Her Arcana is Gier (Shadow), a creature composed of purely negative emotions that Lieselotte summons with drops of her own blood.
Chimera, originally found in Greek mythology, is a monstrous fire-breathing creature composed of the parts of multiple animals.
The Nagual told me that human beings are frail creatures composed of many layers of luminosity.