Maybe it’s the historian in me, but I’m very tempted to pick Xatu. The whole infinity of the past and the future, spread out before your eyes… on the other hand, there are a few hints that Xatu spend most of their lives paralysed with terror because of the things they’ve seen.
Maybe I’ll just play it safe and be a Druddigon. I’ll live in a cave being grumpy and eat anyone who bothers me. That’s pretty much my goal in life anyway.