Just noticed the two boys you have already also have another sequence they end in M, then N, follow sequence and end in O? You'd have L, K, ?J?, then M, N, ?O? Jono? Jethro? Judo? Jydo? Jedo?
Jyro - I like this one. Pyro - you'd have KLMNOP then.
Jyro - I like this one. Pyro - you'd have KLMNOP then.