Whale? No... Dolphin? Nope... It's the Manta Ray of Hope!
I figure every minnow knows and looks forward to a visit from this generous sea creature. When a post has a stagnated for an hour, BAM — in swims the Manta to drop some tasty up votes! They might even get a little careless with the vote slider, just to spread the cheer. What a fabulous skate.