...at the moment, it's just the Italian names :-) Where appropriate, I'll add others. The euro-section, for example, has a number of cool name-changes that will need to be documented:

USA name = Italian Name

Italian to American name-conversion List

Autobot cars:
COMMANDER = OPTIMUS PRIME
CONVOY = ULTRA MAGNUS
TIGRE = JAZZ
SAETTA = WHEELJACK
CANGURO =HOUND
ALERT(GIAGUARO) = RED ALERT
MISTERO = MIRAGE
FRECCIA = SIDESWIPE
INFERNO = INFERNO
(?)BLITZ = KUP
FLASH = BLURR

Decepticon jets:
ASTRUM = STARSCREAM
CORVO = SKYWARP
VAMPIRO = THUNDERCRACKER

Dinobots:
TIRAN = GRIMLOCK
REPTILO = SWOOP

Triplechangers:
BORA = SPRINGER
GHIBLI = SANDSTORM
TRIPLEX 1 = ASTROTRAIN
TRIPLEX 2 = BLITZWING

Gestaults/Combiners:
PENTAJET(GESTALT) = SUPERION (GESTALT)
RADIANT = SILVERBOLT
LOG = SKYDIVE
TORNADO = AIR RAID
VERTIC = SLINGSHOT
OPTOR= FIREFLIGHT

DEFENSOR(GESTALT) = DEFENSOR(GESTALT)
DRAGO = HOTSPOT
SIRENA = FIRST-AID
PHANTOM = STREETWISE
RASOR = BLADES
CHIPS = GROOVE

COMPUTRON (GESTALT) = COMPUTRON (GESTALT)
SCATTERBOT = SCATTERSHOT
ARGOBOT = NOSE CONE
STARBOT = LIGHT SPEED
RADARBOT = AFTERBURNER
ROCKETBOT = STRAFE

DEVASTATOR (GESTALT) = DEVASTATOR (GESTALT)
SCUDO = BONECRUSHER
ROSTRO = HOOK
ROLLO = MIXMASTER
MACIGNO = LONG HAUL
BRACCIO = SCAVENGER
RINGHIO = SCRAPPER

PENTACAR (GESTALT) = MENASOR (GESTALT)
BARRACUDA = MOTORMASTER
IGUANA = DRAGSTRIP
CAIMANO = BREAKDOWN
SQUALO = WILDRIDER
COBRA = DEAD END

MULTIFORCE (GESTALT) = BRUTICUS (GESTALT)
DESTROYER = ONSLAUGHT
CRASHER = SWINDLE
EXPLODER = BLAST-OFF
BOMBER = BRAWL
VORTEX = VORTEX

PREDAKING (VENDUTI SOLO SEPARATAMENTE) 
= PREDAKING  (GESTALT-SOLD ONLY SEPARATED)
ZANNAR = CHAINCLAW
TOROX = TANTRUM
RINOX = HEADSTRONG
FALCON = DIVEBOMB

CAPO dei RACERBOTS (THROTTLEBOTS):
WAGENBOT = GOLDBUG
SCOUTBOT = CHASE
SATERBOT = FREEWAY
TROLLBOT = ROLLBAR
STROBOT = SEARCHLIGHT
ROLLERBOT = WIDELOAD

Headmasters:
DUOBOT = CHROMEDOME
CRUISERBOT = HIGHBROW
GOBLIN = BRAINSTORM
BLINDOBOT = HARDHEAD
SCORPION = SCORPONOK
TIFON = SNAPDRAGON
TAGOR = APEFACE

Misc:
GUARDIAN = METROPLEX
DREKBOT = DOUBLECROSS
TIGERBOT = GROTUSQUE
BOOSTER & GEMINI = FASTLANE & CLOUDRAKER
IPERBOT = SIXSHOT
New Zealand: Skyquake = Crash, and Stalker = Buzzard

Triggerbots/cons:
Windsweeper = Rafale
Override = Furio
Dogfight = Orage
Crankcase = 4x4
Backstreet = Bitume
Ruckus = Rallye

Pretender vehicles:
Gunrunner = Armurio
Roadgrabber = Adherio

Ultra Pretenders:
Skyhammer = Enclume
Roadblock = Bulldozer

Mega Pretenders:
Crossblades = Alouette
Thunderwing = Foudre
Vroom = Vroom ;)

Pretender Figures:
Doubleheader = Bicephale
Pincher = Scorpion
Longtooth = Longues Dents
Bludgeon = Ossement
Stranglehold = Etrangleur
Octopunch = Pieuvre

Micromasters:
Skystalker = Satello
Greasepit = Vidange
Ironworks = Chantier
Hot House = Cheminee
Airwave = Cumulus
Flattop = L'invincible
Overload = Surcharge
Roughstuff = Convoi
Skyhopper = Helico
Groundshaker = Tank

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