These are surprisingly fun

^Caturne and Maractus = Cactus (hA)

Froakie and Snorlax = Snorkie (not the best of the bunch)

Frillish (pink) and Ninetails = Friltails

Shelgon and Litten = Litgon (its lit)

Malamar and Noibat = Malabat

Cyndaquil and Spinda = Spindaquil

Gogoat and Flareon = Flaregoat

Regigigas and Rotom Heat (the oven one) = Regitom

Tentacool amd Ambipom = Ambicool

Wailmer and Magneton = Magmer