Refers to a person, animal, or device that imitates or copies something. Often used in gaming, biology, or technology contexts.
このゲームのミミックは宝箱に化けている。
The mimic in this game disguises itself as a treasure chest.
彼は声帯模写が得意で、ミミックと呼ばれている。
He is good at voice impressions and is called a mimic.
This robot mimics human movement.
宝箱を開けたらミミックが現れた。
When I opened the treasure chest, a mimic appeared.
Be careful of mimics in this dungeon.
物真似 specifically means impersonating a person's voice or mannerisms for entertainment, whereas ミミック refers more broadly to any imitative entity, including objects or creatures.
Loanword from English 'mimic'.