"It depends on the jotunn, I think. Utgard-Loki has scrublike tendencies but sometimes he's okay? Thrym was definitely a scrub. So was Thrynga. Skadi definitely isn't a scrub. I don't know about Gerd; I've never met her. Surt... Surt is just scary." There's obviously hundreds more, but this seems like a pretty good assortment to start with.