🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربيةفارسی한국어中文日本語EntityQ83629· pop 22· linked from 463 articlesMad HatterAlso known as Jervis Tetchfictional character in DC ComicsAvailable in 22 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةBulgarianDanishConnectionslist of Batman Family enemiesEntityRobinEntityCategoriesBatman charactersCharacters created by Bill FingerCharacters created by Bob KaneCharacters created by Sheldon MoldoffComics articles needing issue citationsComics characters introduced in 1948Comics characters introduced in 1956Converted category character infoboxesConverted comics character infoboxesDC Comics male supervillainsDC Comics scientists