Let settle this once and for all. What kind of a accent does Labrys have? At least in her English voice since the Japanese is said to have a accent from the Kansai region.
Most people say it is a Brooklyn accent and I would agree since she would say "you know?" a lot, a soft but rough tone, and is mostly forward with her speeches.
Here are some words she says: Wackadoo, Cockamamie, Shebang, and Numbskull.
Here her sample of her voice to help you choose what it is: