There are no other ways to obtain Elekid in Pokemon Pearl without external methods like trading or hacking.
Here's why:
* Elekid is a Generation II Pokemon: It was introduced in Pokemon Gold and Silver, which came out before Pearl.
* Pearl's Pokédex is limited: The game's Pokédex focuses on Pokemon introduced in Generation IV and earlier generations.
* No breeding options: Elekid cannot be bred in Pearl.
To get Elekid in Pearl, you would need to:
1. Trade with someone who has it: This is the most legitimate way to obtain it.
2. Use external tools: This is considered cheating and goes against the spirit of the game.
It's important to note:
* Inserting a FireRed cartridge will not introduce Elekid: This method only affects the games it's directly applied to, not others.
Remember, the best way to enjoy Pokemon is to play fairly and within the game's rules!