The ornamental design for a toiletventilator, as shown and described.
FIG. 1 is a top and front perspective view of a toilet ventilator showing
my new design;
FIG. 2 is a bottom and rear perspective view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a perspective view thereof on a reduced scale, shown in use, the
broken line showing of a toilet is for illustrative purposes only, and
forms no part of the claimed design.