Stickjaww - Purplevania

He comes in a sound of Jawharp/Jew's-harp

Bexpexe - Purplevania

he comes in a sound of Bass/BeepBox

SpongeJosh

Perry The Piranha Plant

Wavery - Purplevania

He comes in a sound of Tiny Robot/Beepbox

Gray Wife & Yellow Wife

Finnee - Purplevania

He comes in a sound of Bassoon

Varlia - Purplevania

She comes in a sound of Whistle

Dan The Can (I ran out of ideas for this title)

RaxP - Purplevania

He comes in a sound of General MIDI Drums