Fjinnjikulla
Fjinnjikulla is a game language (the simplest kind of conlang), a clever masquerade of Italian (but it can also be applied to other Western languages with minor revisions; if you would like to experiment, please let me know), based on a set of rules that transform its orthography in order to give a Finnish looking result. Or, rather, what I once thought the Finnish language would look like...
If you're interested, you can read on about: