help me in soul silver

these are the pokemon i have

lv1 totodile
lv1 skarmory
lv1 aipom
lv1 eevee
lv9 girafarig
lv18 horsea
lv15 stantler
lv13 miltank
lv17 wobbuffet
lv19 heracross
lv20 dunsparce
lv20 poliwag
lv22 togepi
lv25 ledian
lv26 teddiursa
lv22 chansey
lv25 murkrow
lv20 furret
lv26 sunkern
lv23 swinub
lv24 pineco
lv28 delibird
lv21 phanpy
lv24 houndoom
lv21 skiploom
lv24 golbat
lv27 xatu
lv20 magby
lv26 sneasel
lv33 red gyarados
lv31 ditto
lv39 umbreon
lv37 noctowl
lv48 pupitar
lv50 magcargo
lv50 feraligatr
lv50 ampharos
lv50 scizzor
lv51 lugia
lv62 steelix
lv100 houndoom

please tell me a good way to raise them

by the way i have all 16 badges

Use a macho brace and/or experience share. If you want to work on good stats etc Ev train them too.