Lucas (Japanese: コウキ Kōki) is the male player character of Pokémon Diamond and Pearl. The female counterpart is Dawn. Lucas lives in Sandgem Town with his little sister, grandfather, and father - who works as an assistant of Professor Rowan. He is already the Professor's assistant at the beginning of the game. He also demonstrates to the player how to capture Pokémon by capturing a wild Bidoof.

The character Diamond from the Pokémon Special manga is based off of the design of Lucas.

His English name is similar to "lux", Latin word for light, while his Japanese name is a reference to the Japanese word for "brightness" (光輝 kōki), much like Hikari means light (光). It is also similar to 金剛石 kongōseki, a Japanese word for diamond.

Pokémon

This listing is for Lucas's Pokémon in the video games in which he has appeared.

First battle (capture tutorial)

If player's starter was
Chimchar	Piplup	Turtwig
Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE	Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE	Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE

Second battle (as partner)

If player's starter was
Chimchar	Piplup	Turtwig
Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE	Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE	Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE

Third battle (as partner)

If player's starter was
Turtwig	Chimchar	Piplup
Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE	Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE	Prof. Oak Glitch City Red and Green Professor and Professor Oak Oak Glitch City Red and Green Reward: N/A INSERT PARTY HERE

Optional names for Lucas (as player character)

Trivia

• Like Pearl having one of his default Japanese names being Shigeru, one of Lucas's default names in the English translation is Ash.
• Lucas weighs 83.8 lbs (38 kg) and is 4'7" (145 cm) tall.
• Lucas and Dawn are implied as a couple by Mars during the Lake Acuity battle: Quote: So what is it? Are you some lovey-dovey couple to the rescue?

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