In regular form, it's a green hook attached to a green bandage-ish handle.

When ignited, Green April assumes the appearance of a young lady who has pale skin and very short dark green hair dressed in a sleeveless and strapless green dress. She has two slightly longer pieces of hair on either side of her face, as well as having bangs. She also has green eyes, as well as elf-like ears.

Not much is known about its personality, but it can be quite cautious.