Help me with my team plz

[Lobogrenade]

I would like to know how my team looks and what changes and items i should give them. Thanks in advance

Feraligatr
Item splash Plate Ability Torrent
Aqua Tail
Eathquake
Dragon Claw
Crunch

Yanmega
Item ? Ability Speed Boost
Bug Buzz
Detect
Air Slash
Psychic

Aggron
Item ? Ability Rock Head
Metal Burst
Earthquake
Foucs Blast
Flaethrower

Magnezone
Item ? Ability Sturdy
Lock-On
Zap Cannon
Magnet Rise
Gyro Ball

Houndoom
Item ? ability Flash Fire
Mimic
Nasty Plot
Flamethrower
Crunch

Ryhyperior
Item ? Ability Lightning Rod
Arm Hammer
Eathquake
Rock Wrecker
Mega Horn