Petman - Probably the coolest biped currently.

Skiing Robot - A robot that skiis!

Blob bot - An iRobot slug bot

Mabel - A biped from Michigan

Starfish - An evolutionary robot that learns its own dynamics

Salamander - A nifty salamander robot that walks and swims using the same control.

Stickybot - Climbing gecko from Cutkosky's lab
Ant-roach - Inflatable robot from Saul Grifith's Otherlab

Exoskeleton:

HULC - Military grade exoskeleton developed by Berkeley Bionics.

HAL - Built for assistive purposes by Japanese Cyberdyne.

XOS 2 - Built by raytheon to beat up bad guys.

Software:

Eureqa - Symbolic regression tool

Compliant robotics work:

Luis Sentis - Doing a lot of "compliant" robotic postural control (from Khatib's lab)