This girl with blonde hair, a pink dress over a white T-shirt and a big pink bow on her head is called Helga Geraldine Pataki and she is a character in the funny animated series Hey Arnold!. Helga is the main bully in the school who constantly teases Arnold, although she secretly has a crush on him! Helga Pataki even has a small heart-shaped gold-plated locket with a portrait of Arnold inside, which she uses to remind herself of her deep love for him. The Hey Arnold cartoon cursor with Helga Pataki and Locket!