Wait a minute ... what happen to to these “variants”?
Ε ε epsilon, έψιλον
Ζ ζ zeta, ζήτα
Η η eta, ήτα
Θ θ theta, θήτα
Ι ι iota, ιώτα
Κ κ kappa, κάππα
Λ λ la(m)bda, λά(μ)βδα[note 3]
epsilon is California
eta is India, specifically Mangaluru in South Karnataka.
theta is Philippines
iota is NYC
kappa is (another) India
Lambda is Peru
and
Zeta is Rio de Janeiro