Just got to Vermilion, and didn't even plan on using any of these Pokemon as my normal team.
Wartortle - Level 20
Tackle
Water Pulse
Tail Whip
Withdraw
Raticate - Level 20
Tackle
Quick Attack
Focus Energy
Hyper Fang
Mankey - Level 20
Scratch
Low Kick
Leer
Karate Chop
Bellsprout - Level 18
Vine Whip
Wrap
Growth
Sleep Powder
Kadabra - Level 18
Confusion
Teleport
Disable
Sandshrew - Level 18
Scratch
Rock Tomb
Defense Curl
Poison Sting
Wartortle - Level 20
Tackle
Water Pulse
Tail Whip
Withdraw
Raticate - Level 20
Tackle
Quick Attack
Focus Energy
Hyper Fang
Mankey - Level 20
Scratch
Low Kick
Leer
Karate Chop
Bellsprout - Level 18
Vine Whip
Wrap
Growth
Sleep Powder
Kadabra - Level 18
Confusion
Teleport
Disable
Sandshrew - Level 18
Scratch
Rock Tomb
Defense Curl
Poison Sting