|Eye color||Slate grey|
|Hair color||Dark blue|
|Anime debut||Legend of the Lake!|
|English voice actor||Unknown|
|Japanese voice actor||Unknown|
Lucas (Japanese: コウキ Kōki) is a recurring character in The Space-Time Series and a rival of Lewis.
|Lucas's Chimchar|| |
| Chichar is Lucas' first known Pokémon, and his starter Pokémon. He received Chimchar from Professor Rowan prior to the start of The Space-Time Series. In his debut, Chimchar accompanied its Trainer to Lake Verity to try and find the Legendary Pokémon of the lake, although they were unsuccessful. Chimchar then had a brief battle against Aipom, but it was interrupted by the appearance of Mesprit. In Seeing Double!, Chimchar partnered up with Lucas' new Elekid against Lewis' Murkrow and Piplup. After a tough battle, Chimchar was eventually defeated by a Bubble Beam from Piplup.
Chimchar's known moves are Scratch, Flamethrower, Flame Wheel and Acrobatics.
|Debut||Legend of the Lake!|
|Lucas's Elekid|| |
| Elekid is Lucas' second known Pokémon. It first appeared in Seeing Double!, where it partnered with Chimchar to battle Lewis' Murkrow and Piplup. Despite holding the type advantage over both opponents, Elekid was eventually defeated by Murkrow's Assurance.
Elekid's known moves are Thunder Punch, Low Kick and Quick Attack.