El monstruo masculino tiene
Cantante masculino, is Spanish for male singer.
Hombre or masculino
You say, "suburbano/a." ('o' for a male, 'a' for a female)
africano/a (male/female)
profesor/a (male/female)
'para un(a)' = 'for a' (male/female)
ComeGalletasorEl Monstruo de las Galletas
The way you say they are beautiful in Spanish is "Ellos son guapos" if it's all male or male and female. If it's only female you say "Ellas son hermosas"
Pablo is a male name for Paul in English. It is already in Spanish!
You say, "No estoy acostumbrado/a a..." ('o' for a male, 'a' for a female.)
Mi monstruo tiene una boca
Querido (for a male). Querida (for a female).