Blush Sticker

Anime & Manga

 * Fushigiboshi no★Futagohime:
 * Rein and Fine get these every now and then.
 * Bibin from "Gyu!" has these all the time.
 * Soul Eater:
 * Patti. She has these all the time. And also Blair, when she acts particularly cat-like.
 * Death the Kid whenever he sees something symmetrical.
 * Fire and Thunder.
 * The main character of Kamichu! has these a lot of the time, too.
 * Lucky Star makes great use of those.
 * Mao-chan: Misora Tsukishima has these permanently
 * In Sailor Moon, during a flashback to Rei's childhood in episode 183, Rei is shown with blush stickers.

Western Animation

 * Finn, Jake, Flame Princess and other characters sometimes get them in Adventure Time.
 * Mabel from Gravity Falls has permanent blush stickers.