Who were the Digimon that the Digidestined transformed into in Digimon Frontier?

Answer 1

Each form is listed in the following order - H(uman) spirit, B(east) spirit, A(dvanced) spirit, Hyper, then anything else.

Takuya - Agnimon, Vritramon, Aldamon, KaiserGreymon. He also had a 'child' form, Flamon

Kouji - Wolfmon, Garmmon, Beowulfmon, MagnaGarurumon

Together, Takuya and Kouji could evolve into Susanoomon

Junpei - Blitzmon, Bolgmon,

Izumi - Fairymon, Shuutumon,

Tomoki - Chakmon, Blizzarmon,

Kouchi - Duskmon, Velgmon. After his spirits were purified, Lowemon and KaiserLeomon were his new H and B forms.

Answer 2

Takuya became Agunimon, BurningGreymon, Aldamon and EmperorGreymon, Koji became Lobomon, KendoGarurumon, Beowolfmon and MagnaGarurumon, J.P. became Beetlemon and MetalKabuterimon, Zoe became Kazemon and Zephyrmon, Tommy became Kumamon and Korikakumon and Koji's twin brother; Koichi originally became Duskmon and Velgemon but once he joins the side of good he becomes Loweemoon and JagerLoweemon.