Stinko

"???" Elements: Plasma, Shadow, Mech, Crystal, Spectral

This monster can be bred with a Double Element and a Triple Element.

Irosynth + Boodoo

Stong + Nebulob

Fraliean + Shadowmorph

Sitarthon + Sox

Vocobot + Flutehog

Gooboo + Bellowfish

Gockonspiel + Plasbot

Octopiano + Arackulele

Timbat + Drummech

Rillaquina + Whisp

However, it can be bred with a Single Element and a Quad Element.

Spacehorn + Ghazt

Yee-T + Grumpyre

Edaphellow + Reebro

Conjembe + Jeeode

Brassibmia + Spectgon