It shouldn't
No, but there is a Rotom in the TV.
there is a Pokemon there (legendary lv.15) in the television.
go to the mansion in eterna forest, there also is a legendary Pokemon in the t.v.
there is no Pokemon Mansion in Heartgold.
Gary is not in the Pokemon mansion.
There is no Pokemon mansion in sapphire.
There is no mansion in SoulSilver.the Pokemon mansion on cinnebar was destroyed when a volcano wreaked its havoc on the island.
It is a rare pokemon, but it is not a legendary pokemon
The Pokemon mansion is south(Down) from hearthome city.
The Pokemon Mansion is on Cinnabar Island, west (left) of the Pokemon Gym.
Unknown is not a legendary Pokemon but it is considered rare. Legendary Pokemon are one of a kinds.