List one move for each type that is your favorite. You may have multiple moves for each type if it is a close tie. The types are as follows:
1. Normal---Headbutt--Furett----Heabutt is just strong
2. Fire-----Lava Plume--Slugma----Looks and sounds cool!
3. Water----Aqua Jet--Sharpedo--Always goes first
4. Electric-Thunder--Plusle----Strong electric move
5. Grass----Petal Dance--Budew-----Insane damage
6. Ice------Powder Snow--Swinub----Low level ice type move
7. Fighting-Low Kick--Machop----hurts more against heavier foes (like bibarrels)
8. Poison---Sludge Bomb--Swalowalot----Really strong
9. Ground---Earthquake--Geodude---Really strong
10. Flying--Brave Bird--Zubat-----Strong, but recoil HURTS!
11. Psychic-Psychic--Chingaling----Strong (noticing a theme?)
12. Bug-----Silver Wind--Surskit---Raises all stats sometimes
13. Rock----Rock Throw--Nosepass--Strong(ish)
14. Ghost---Shadow Ball--Duskull---Hurts quite a bit
15. Dragon--Dragon Rush--Dragonair-Strong, but low accuracy is a down
16. Dark----Crunch--Mightyana-Lowers defense, stronger than bite!
17. Steel---Steel--Claw Aron------There are not very many steel moves out there

Anyway, rules aren't THAT strict, you can put descriptions of why you chose a move. You DON'T have to do this for each type. You may also list your favorite pokemon of each type. Have fun!

EDIT 1: Put in reasons and pokemon

Normal: The combo of Mean Look and Perish Song
Fire: Flamethrower
Water: Bubblebeam
Electric: Thunder Wave
Grass: Giga Drain
Ice: Ice Beam
Fighting: Low Kick
Poison: Toxic
Ground: Earthquake
Flying: Fly
Psychic: Psybeam
Bug: Furry Cutter
Rock: Rock Slide
Ghost: Shadow Ball
Dragon; Dragonbreath
Dark: Crunch
Steel: Steel Wing

Normal: Slash
Fire: Flamethrower
Water: Surf
Electric: Volt Tackle
Grass: Petal Dance/Sleep Powder/Stun Spore
Ice: Ice Beam
Fighting: Dynamicpunch(good if you have a Machamp with the No Guard ability :3)
Poison: Toxic/Sludge Bomb
Bug: X-Scissor
Rock: Rock Slide/Rock Tomb
Ghost: Shadow Ball/Destiny Bond
Dragon : Dragonbreath
Dark: Night Slash
Steel: Iron Tail

1. Normal---Return
2. Fire-----Eruption
3. Water----Surf
4. Electric-Thunderbolt
5. Grass----Giga Drain
6. Ice------Ice Beam
7. Fighting-Revenge
8. Poison---Sludge Bomb
9. Ground---Earthquake
10. Flying--Fly
11. Psychic-Psychic
12. Bug-----Megahorn
13. Rock----Stone Edge
14. Ghost---Shadow Ball
15. Dragon--Dragon Claw
16. Dark----Crunch
17. Steel---Doom Desire

My favourites are pretty much the moves that I use or the moves that I have planned on using.

Normal--Body Slam--It can cause paralysis.
Fire--Flamethrower--It's awesome.
Water--Surf--Powerful and useful.
Grass--Grass Knot--The bigger they are, the harder they fall.
Ground--Earthquake--Also awesome.
Rock--Ancientpower--Like the chance of boosting all stats.
Dark--Beat Up--I like the idea of all you Pokemon ganging up on your opponent.
Psychic--Psychic--It is THE Psychic move.
Fighting--Aura Sphere--Awesome and can't miss.
Flying--Fly--It is the best way to get around.
Electric--Thunderbolt--It's a classic.
Bug--Signal Beam--Can confuse.
Poison--Toxic--Gradually kills and is annoying as hell.
Ice--Ice Beam--Just because.
Ghost--Destiny Bond--If I die, you're coming with me!
Steel--Doom Desire--DOOM!!!
Dragon--Outrage--This is an OUTRAGE!!!
...END.

1. Normal---Hyper Beam------Hyper Beam is just super powerful
2. Fire-----Blast Burn------SAME AS # 1!
3. Water----Aqua Jet----Always goes first
4. Electric-Thunder------Strong electric move
5. Grass----Frenzy Plant-------Insane damage
6. Ice------Ice Beam------I love It
7. Fighting-Close Combat----Amazing Damage ( sometimes can kill pokemon easily )
8. Poison---Sludge Bomb------Really strong
9. Ground---Earthquake-----Really strong
10. Flying--Brave Bird-------Strong, but recoil HURTS!
11. Psychic-Psychic-----Strong (noticing a theme?)
12. Bug-----Gullotine ( i think ) if not Bug Buzz--G: 1-hit ko. BB: Powerful
13. Rock----Rock Throw----Strong(ish)
14. Ghost---Shadow Force--Giratina--- powerful and can break protect
15. Dragon--Draco Meteor---Strong
16. Dark----Crunch---Lowers defense, stronger than bite!
17. Steel---Iron Tail--Claw ------There are not very many steel moves out there

Being a player of mostly the Generation III Games, I will base my opinion from there:
Normal---------- Metronome---------------- Blissey------------- anything goes
Fire------------ Flamethrower------------- Blaziken------------ power = burn
Water----------- Hydro Cannon------------- Blastoise----------- power
Grass----------- Solar Beam--------------- Tropius------------- tropius looks cool w/ it
Ground---------- Earthquake--------------- Swampert/ Tyranitar- amazingness 10.0 magnitude
Rock------------ Rock Slide--------------- Tyranitar----------- tyranitar = my favorite <3
Dark------------ Beat Up------------------ Sneasel------------- best w/ a powerful team
Psychic--------- Psychic------------------ Mewtwo (duh)-------- high special attack/ dmg.
Fighting-------- Reversal/ Revenge-------- Hitmonlee---------- less HP the better
Flying---------- Aerial Ace/ Sky Attack--- Legendary Birds---- lightning speed/ don't miss
Electric-------- Zap Cannon/ Thunder------ Porygon2----------- powerful = paralyze
Bug------------- Silver Wind-------------- Dustox------------- just is
Poison---------- Toxic/ Sludge Bomb------- Seviper------------ POISON IS SWEET!!
Ice------------- Sheer Cold/ Ice Ball----- Kyogre/ Walrein---- 1-hit KO/ Powerful
Ghost----------- Destiny Bond------------- Gengar/ Misdreavus- you go with me
Steel----------- Doom Desire-------------- Jirachi------------ UTTER DESTRUCTION
Dragon---------- Dragon Rage-------------- Gyarados----------- 40 damage guarantee!

*sorry if this post is a little too big. I wanted to organize it.

Ok, nice to see all the creativity! Keep it up!

meepturtle :
Grass: Razor Leaf-Ivysaur
Psychic: Psychic Blast-Jynx
Ice: Ice Beam-Horsey
Electric: Thunder wave-Raichu
Ground: Earthquake-Golem
Water: Surf-Starmie
Fire: Flamethrower-Arcanine
Flying: Fly-Aerodactly
Rock- Rock slide-Onix
Poison: Sludge Bomb
Ghost: Hypnosis/Dream Eater- Gengar or Haunter.
Bug: Supersonic- Venomoth
Dragon : Dragon Rage-Dratini