A child of the Chimaera and a sibling of the sphinx. It was a giant lion that was almost unstopable but Herakles (hercules) defeated it as one of his 12 labours.
nemeon lion
Actually there were five. Ceberus, Ladon, Chimera, Sphynx, and the Nemeon Lion.
Thisbe!
Hercules killed the lion in the region of Nemea, as part of his Twelve Labors in Greek mythology.
The lion with a serpent as a tail in Greek mythology is called the Chimera. It is a monstrous creature with the body of a lion, the head of a goat emerging from its back, and a tail that ends with a snake's head. It was eventually defeated by the hero Bellerophon.
Sphinx
If you are refering to the Sphynx, they are dieties of Greek and Egyptian mythology. They always have a human head on a lion's body. In Greek mythology, they also can fly because of two, large "eagle wings."
Robert Triomphe has written: 'Joseph de Maistre' 'Le lion, la vierge et le miel' -- subject(s): Greek Mythology, Honey, Lions, Mythology, Mythology, Greek, Virginity
Sea-lion. It sounds confusing (since there is a marine mammal known by that name) but that's what they were called.
The manticore was, in Persian and Greek mythology, a beast with the body of a lion, the tail of a scorpion, and the head of a man.
The Greek hero who famously killed a lion with his bare hands was Heracles, also known as Hercules in Roman mythology.
The Greek hero famously known for slaying the Nemean Lion with his bare hands is Heracles, also known as Hercules in Roman mythology.