Immortal living creature: jellyfish
The jellyfish known as Turritopsis Dohrnii can live forever. On reaching to their adult life’s end, this jellyfish undergoes transformation coming back to the polyp state that poses restarting of this fish life cycle once again.
Claw making ability: African hairy frog
In case of danger, the toe bones are broken by this frog making them skin protruding and these are then used for fighting like makeshift claws.