Toothbrush

FIG. 1 is a perspective view of the toothbrush showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dash-dash style of broken lines depict portions of the article, and forms no part of the claimed design. The dot-dash style of broken lines depicts the boundary of the article, and forms no part of the claimed design.