Cobain - I really have no complaints, being immortal would be nice. Or maybe like self cloning every 10 years or so....
I guess physically, I'd change his intolerance to so many foods. We've got it pretty settled now, but we always have to be careful.
Rigby - I wish she was stable, she seems to have a cycling fear/aggression. In our current house, she's awesome; this is by far the best version of Rigby I've seen.
Yet at a show she stresses and shuts down. She's "serious" and aggressive Rigby, instead of the intelligent, playful dog she is here. Or living at my parents house, her urinary incontinence and SU comes back.