Behemoth the Cat is a character in the 2005 TV series The Master and Margarita, a werewolf cat and Woland's favorite jester.

Character: Behemoth is charming, smart, eloquent, and intelligent. However, most often he plays the fool and relaxes. The character is able to quickly change his behavior: sometimes he is well-mannered and gallant, and sometimes aggressive and rude. Behemoth likes to embellish and is often frivolous.

History: Behemoth, along with Koroviev, was one of Woland's assistants. He and Koroviev always helped Woland in his affairs, but they were also not against having fun, doing other fun things for them.

Some of Behemoth's abilities:

potentially immortal and can live forever;

almost invulnerable to any type of conventional weapon (a wound caused by such a weapon heals instantly), as well as to fire;

can take the form of a human, but at the same time has superhuman strength;

can teleport to any place at will;

has telekinesis;

has the ability to set fire to everything around, spilling gasoline from a primus.
what it looks like in the movie:
the movie itself: