FIG. 1 is a perspective view of a toothbrush showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged view of portion 9 shown in FIG. 1;
FIG. 10 is an enlarged view of portion 10 shown in FIG. 2;
FIG. 11 is an enlarged top plan view of the toothbrush; and,
FIG. 12 is an enlarged bottom plan view of the toothbrush.
The dash-dot-dash lines are for the purpose of illustrating enlarged view indicators and form no part of the claimed design.