You can only have 1 Rotom, but if you trade then you can have more.
no, Rotom never evolves. Rotom has different forms which are not in diamond pearl.
Rotom is an Electric/Ghost-type Pokemon that is #479 in the National Pokedex. It has the ability to change in multiple forms - Heat Rotom, Wash Rotom, Frost Rotom, Fan Rotom, and Mow Rotom - that all have different secondary typing in addition to Electric.
Rotom has 6 different forms:Normal Rotom - Electric-GhostHeat Rotom(Microwave Oven) - Fire-GhostWash Rotom(Washing Machine) - Water-GhostFrost Rotom(Refrigerator) - Ice-GhostFan Rotom(Fan, Duh) - Flying-GhostMow Rotom(Lawn Mower) - Grass-Ghost
give him a secret key the different secret key the different rotom
you can't rotom has five different forms, which are only in platinum, with an event.
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There is Regular, Fire, Ice, Grass, Water and Flying Rotom which makes 6 different forms.
its impossible unless you trade it
Get Rotom and walk up to the elevator. You will walk in and Rotom will get it working again. the second floor has the five electrical appliances that Rotom can turn into.
Heat Rotom: T8A6EH7Wash Rotom: H8S3A5WFrost Rotom: 6TS8ORF Fan Rotom: 9N4A4F8Mow Rotom: 7W6O3M5
not possible. you cna only do this in platinum
Rotom is NOT a bad Pokemon his moves by levelling up isTrickAstonishThunderwaveThundershockConfuse RayUproarDouble teamShock waveOminous WindSubstituteChargeDischargehis moves learned by changing forms are:Heat Rotom (oven)OverheatWash Rotom (Washing Machine)Hydro PumpFrost Rotom (Fridge)BlizzardFan Rotom (Rotary Fan)Air SlashMow Rotom (Lawnmower)Leaf Stormgetting different forms of rotom requires a secret key wifi event which is now overgetting it on heartgold and soulsilver- just go into silph co. (saffron city kanto) with rotom first in your party go to the elevator rotoms elctricity will power the elevator and will take you to a room where rotom can posses some appliances.have fun with rotom- he's AWESOME!