| Name | DOUBLE EXCLAMATION MARK |
| Unicode Version | 1.1 |
| Block（ブロック） | General Punctuation（一般句読点） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ‼ ‼ |
| UTF-8 Encoding | ‼ e280bc |
| UTF-16 Encoding | ‼ 203c |
| UTF-32 Encoding | ‼ 0000203c |