Let's try this:
1) Metal (i'll just tweak my E4 one it would practically be the same anyway)
Colonel Gaunt - Iron Badge
The Gym is a military camp Opening phrase - Iron without! Ending phrase (won) - Iron within! Ending phrase (lost) - ...hm Ace - Metagross Other Pokemon - Scizor, Aggron
TM - 74 Gyro Ball
2) Flying (which is really Dragon )
Tamer Gaunt - Revenge Badge
The Gym is a flying stadium (that never stays in one city)
Opening phrase - A new challenger? You're in for a surprise!
Ending phrase (won) - Ha! That was fast, come back anytime scrub
Ending phrase (lost) - ...you won? I think you cheated! No badge for you...nah just kidding here (trows the badge down below) go get it hihi
Ace - Gyarados
Other Pokemon - Dragonite, Salamence
TM - 62 Acrobatics
3) Ghost
Doctor Gaunt - Regret Badge
The Gym is an abandoned hospital
Opening phrase - Oh? Another lost soul...how sad...the voices, do you hear them? They scream and scream and never stop!
Ending phrase (won) - ...they never stop...
Ending phrase (lost) - ...i can't hear them anymore i...(vanishes)
Ace - Gengar
Other Pokemon - Chandelure, Spiritomb
TM - 30 Shadow Ball