Personalized Monster 5th Birthday Baby Bodysuit. Cute 5th birthday Baby Bodysuit - Heather and Navy with a funny cartoon purple monster, stars and polka dotted number 5 says THIS LIL' MONSTER IS FIVE! Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.