Here are a few:
El Pedio- real name Ramón, does this mean like boss?
Chana-Alexandra, no connection I can think of
Munuñga-Alexandra, no connection
Maruca-Luz, no connection
Topo- not even sure of the real name
Natty- Natividad, abbreviation
Niñito- stature and personality based
Piringo- not sure
La Loba- personality based, she’s fierce