They're all kinda close in range

Is there a website for this?

Height Comparison - Comparing Heights Visually With ...

'ere you go

somehow Simon took the crown for tallest

(tbf there isn't a canon height for Simon or Lloyd so I went with PB for Simon and just guesstimated on Lloyd)

If we're going with the actor as a guide, John's taller than Murmur.

oh definitely he is, Mur's not very tall

Smol dangerous being

eheheheh

he likes to look non-threatening it's easier to be underestimated that way

That's smart

just a small, frumpy weirdo

Certainly no cosmic powerhouse

Noo no just some socially awkward guy who can't seem to brush his hair right this is totally normal

(the graph cannot go large enough for how big he actually is)