polymorphic unidentified Animal has the ability too change its genetic structure too suit whatever environment may find it's self in. By default it is genderless but can become male or female depending on it's partner at the time(very picky about it's mates).
It's primary means of defending itself is by shape shifting its arms and legs into various weapons. It's Secondary means of defense it throwing it's cells on to a target and assimilating it from the inside-out then eating the leftover pile of flesh. It can regenerate very fast from most damage but can be killed it it's brain core and heart core are destroyed.