Robot

FIG. 1 is a first perspective view of a robot according to our new design; FIG. 2 is a second perspective view thereof; FIG. 3 is a front elevation view thereof; FIG. 4 is a rear elevation view thereof; FIG. 5 is a left side elevation view thereof; FIG. 6 is a right side elevation view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; and, FIG. 9 is an enlarged view of part 9 thereof in FIG. 1 . The broken lines in FIGS. 1 , 3 and 9 illustrating certain portions of the scooter form no part of the claimed design.