An simple bookmarklet to create a horde or gremlins and unleash them on any website. See gremlins.js by marmelab for more information.
Edit a bookmarklet and set the URL to be -
javascript:(function()%7Bvar%20ScriptLoader%2CscriptLoader%3BScriptLoader%3Dfunction()%7Bfunction%20a()%7B%7Dreturn%20a.prototype.setupCallback%3Dfunction(a%2Cb)%7Breturn%20a.readyState%3Fa.onreadystatechange%3Dfunction()%7Breturn%22loaded%22%3D%3D%3Da.readyState%7C%7C%22complete%22%3D%3D%3Da.readyState%3Fb()%3Avoid%200%7D%3Aa.onload%3Dfunction()%7Breturn%20b()%7D%7D%2Ca.prototype.createScript%3Dfunction(a)%7Bvar%20b%3Breturn%20b%3Ddocument.createElement(%22script%22)%2Cb.type%3D%22text%2Fjavascript%22%2Cb.charset%3D%22UTF-8%22%2Cb.src%3Da%2Cb%7D%2Ca.prototype.add%3Dfunction(a%2Cb)%7Bvar%20c%3Breturn%20c%3Dthis.createScript(a)%2Cdocument.body.appendChild(c)%2Cnull!%3Db%3Fthis.setupCallback(c%2Cb)%3Avoid%200%7D%2Ca%7D()%2CscriptLoader%3Dnew%20ScriptLoader%2CscriptLoader.add(%22%2F%2Fcdn.rawgit.com%2Fmarmelab%2Fgremlins.js%2Fmaster%2Fgremlins.min.js%22%2Cfunction()%7Breturn%20gremlins.createHorde().unleash()%7D)%7D)()
GitHub do not allow me to create a link with a JavaScript href, sorry I couldn't just give you a link to drag.