We're putting Mercy in the number one spot this month because of her sheer, undeniable ubiquity. There is no question that this Swiss angel is the most common character across all fan art, cosplay, and, um, some the fandom's more profane precincts, too. Think of it this way: if tomorrow, Blizzard announced they were purging one character from the Overwatch lore, who would the community get most upset about? It's Mercy. Without question. She's a crucial cog for the memes, and she's also a valuable inclusion on any team. So enjoy the title, Mercy. You've earned it.