"Reina lagarto"
Queen Elizardbeth
she is queen = Ella es la reina
I think Merman is Tritón in Spanish. Even for the Lizard Newt it is Tritón in Spanish. Mermaid it is Sirena in Spanish. Not sure about Merfolk in Spanish.
"Reina española" or "Reina de España" (the last one if you want to name the country specially).
reinas ladronas
Lézard (French) Lagartija (Spanish) eidechse (German) earc / laghairt (Irish)
lizard = lagarto
If you mean 'queen' it's 'reina.'
reina linda/hermosa
mi reina negra
Hola, mi reina
"Lizard" in Spanish is "lagarto". It is pronounced "la-GAR-toe". Please see the Related link below for confirmation of the translation.