Zappy’s ref :

Specie : Snake

Age : 14 years old

Height : 18 cm

Weight : 6.4 kg

Lore : Snalky’s mother accidentally dropped her second egg without realizing, and died by falling off a cliff when Snalky hatched, she then let Oxser’s dad to adopt him to safety

Back to Zappy, while still being in his egg, he was found and brought to the lab by Dr Code, he tried to do the same technique as how Greg (aka Vreg before Grovas existed) turned more powerful then his past self

One year later, the egg hatched and Zappy can produce electricity (and also change his scale color), Dr Cody was so proud that he named him like that.

14 years later, he found out that Snalky and Zappy are biologically brothers due to DNA testing