Current Team
Bruno
Level 35
Rage
Karate Chop
Focus Energy
Low Kick
Jay
Level 16 (just caught)
Karate Chop
Right now I'm at Rock Tunnel and I'll be grinding Jay there for a while.
Edit: Gaddamn! I wish Karate Chop was fighting in 1st gen -.-
Thought I better update since I've made a lot of progress already.
Bruno
Level 40
Rage
Seismic Toss
Low Kick
Karate Chop(believe it or not, it's my flying type counter)

Jay
Level 40
Karate Chop
Low Kick
Leer
Focus Energy

Lanker
Level 31
Double Kick
Meditate

Ricky
Level 25
Karate Chop
Leer
Low Kick
At the moment, I've beaten 4 gyms, and I'm focusing on the Rocket Hideout.