Herobrine - A very powerful being (You guys have read till now so you should know it.) But isn't a good family man (in the new novel) so he just retired from his job causing problems most of the time with his family.
Alexstar/Herobrine - New Herobrine, Herobrine before becoming the guardian, is a 'normal' horny teenager, will have his powers. Has all his feelings related to family but no memories of them but it doesn't affect his relationship with them as he still feels love for his family.
(Memories are not gonna hold back him instead they will help him break the shackles he imposed on himself in the past.)
Studies in high school as an exchange student as Prince of Zenith Kingdom but is supposed to be a 'secret' so expect some people to approach him for his power or what would you expect normally?
Typhon - He is Mc's son with Gaia he is the God of Ragnarok, Disaster and he can also use the End dimension which only Herobrine and Endora are capable of.
He is the current king of Zenith, he one-shotted Ares who is a very strong god (according to Olympian standards).
He is very similar to Demigorge.
His relationship with his father was strained because of Herobrine's constant negligence towards his family.
But they are still cool father-son duo when needed.
Gaia- You all know about her (old readers)
She wants to try mother-son roleplay with Herobrine.
She will try to act like Mc's sugar mommy after his change and fulfill her fetish with her beloved husband without.