Supplementary Materials include:
Fig. S1. Snapshots showing the successive shape transformation of a leech.
Fig. S2. Optical photographs of the shape transformation of a liquid metal droplet into a semi-circle with different radians.
Fig. S3. SEM images of the integral and enlarged views of the superhydrophobic petri dish surface.
Fig. S4. SEM images of the integral and enlarged views of the silicon surface.
Fig. S5. Restoration of a damaged circuit.
Movie S1. Leech-inspired liquid metal robots with controlled deformability.