I haven't noticed a specific one other than @randowhale I don't think, but I'll look. The big thing is just rando having "delegated voting power" from one or more whale accounts.
I hope it will pick up steem haha! It's a great investment, and passing that along to others just seems to make sense :-)
I refer to this one:
Ah. I have only seen @danknugs up-voting the comments that @randowhale leaves, not the posts themselves.
I've notice this as well. I've been wondering who is @danknugs. Hmmm