An ostrich
Biped
The Biped stood there silently.
the biped ran as fast as he could
Running or sprinting would be the fastest way to get across a room.
biped
Lacrosse is the fastest sport on two feet.
You do a race by running the fastest or doing something the fastest.
The Whippet.
Boxers
running
The fastest running land animal is the Cheetah.
I am a biped. A biped is an organism that walks on two feet.