Hi,
there is one type of character that got several takes but none stuck: The swordwielding arcanist. There have been Bladesingers, Hexblades, Duskblades, Swordmages.
Bladesingers/Duskblades occupy the same thematic nieche: Elvish sword-wizardry. While the Bladesinger, both 3e and 4e, had...