Freds
– a helium nucleus (alpha)
– slytherin (with hufflepuff tendencies)

Hero
– a fast moving electron (beta)
– hufflepuff (with slytherin tendencies)

Betsy
– a quark (she’s quarky)
– hufflepuff (with gryffindor tendencies)

Bea
– a positron (brightens even physics)
– ravenclaw (with hufflepuff tendencies)

ThanksĀ to the CandleWasters