Pizza cutter
FIG. 1 is a perspective view of a pizza cutter showing my new design, the pan shown in broken lines is for illustrative purposes only and forms no part of the claimed design; 
     FIG. 2 is a top plan view thereof; 
     FIG. 3 is a bottom plan view thereof; 
     FIG. 4 is a front elevation thereof, the opposite side being identical; and, 
     FIG. 5 is a right side elevation thereof, the opposite side being identical.