Happy birthday stickers
Type their name. The cake comes by itself.

Type "Happy birthday" and a name, and AhYeah! turns it into a birthday sticker with a cake on it, in candy, crayon or comic. Hold it, tap Add Sticker, and it's in your iPhone's Stickers for the birthday chat.
Every sticker here was made in AhYeah! by typing the words. Make yours in seconds: