Charlie the Duck
Charlie the Duck is a smooth parallax scrolling Mario-style action game about a cute duck. Help Charlie find his way through several exiting levels. Collect coins, diamonds and other items and watch out for dangerous creatures. Dive into the water and discover secret areas and hidden passages!
http://www.wieringsoftware.nl/charlie/download/ch1setup.exe - 405Kb - Download - Screenshot

Charlie II
Smooth scrolling Mario-style action game about a cute little duck named Charlie. Collect all the diamonds and coins you can find and watch out for dangerous creatures. Jump on top of enemies to defeat them. Charlie can swim and even dive down into the water to find hidden areas! ... Controls: Walk with the [Left] and [Right] arrow keys; hold [Ctrl] down to walk faster; press [Space] to jump and [Down] to dive into the water in some places.
http://home.wxs.nl/~mikewiering/ch2setup.exe - 1Mb - Download - Screenshot