mako
he was a firebender from a fire/earth family.
at first he was a pro-bender but after discovering his talent he joined to korra's team and then became a cop.
he also knows lightning-bending and with this ability he saved korra twice. once from amon and second time from kuvira's forces.
@mikaros

jinora
granddaughter of aang and katar and daughter of tenzin
she was the youngest airebender who became a master in the age of 11.
she has a powerful spiritual force and has a special bond with spirits.
@bittersuiteee

tylee
from a nobel family in firenation
she's a chi blocking master and later she becomes a kyoshi warriors member and taught them her techniques.
@justfri3nds