This Jigglypuff measures to be about 3.5 inches tall but you could definitely make it bigger by using thicker yarn & the corresponding hook size.

Materials Needed:
Pink & Black Yarn (sport weight) Optional: Green Yarn for Microphone
3mm Crochet Hook
Polyfill or Cotton for stuffing
Scissors
Darning Needle
12mm Safety Eyes & matching Backing
Stitch Marker
Pins