Characterizing the Entities in Harmful Memes: Who is the Hero, the Villain, the Victim? - Shivam Sharma; Atharva Kulkarni; Tharun Suresh; Himanshi Mathur; Preslav Nakov; Md. Shad Akhtar; Tanmoy Chakraborty 002 (EACL, 2023)