I've made a desert version a squid and sperm whale rival duo.

Squid
Type: Ground
Ability: Sand Rush
HA: Sand Stream
Base Stats: 75/95/75/105/75/70
Moveset: Earthquake, Sandstorm, Sand Tomb, Constrict, Bind, Peck, Earth Power, Rock Slide, Octazooka, Sand Attack, Wring Out, Pluck, Camouflage
Egg Group: Water 1 - Water 2

Sperm Whale
Type: Ground/Ghost
Ability: Sand Force
HA: Sand Stream
Base Stats: 136/105/80/50/80/44
Moveset: Earthquake, Sandstorm, Sand Attack, Noble Roar, Amnesia, Bulldoze, Curse, Body Slam, Sand Tomb, Phantom Force, Shadow Sneak, Spite
Egg Group: Field - Water 2

Note: Squid was inspired by someone's sand squid Fakemon.

What names should I give to these Fakemon?