You can create "meme chains" of multiple images stacked vertically by adding new images with the "below current image" setting.
Cheryl Tunt GIFs
It operates in HTML5 canvas, so your images are created instantly on your own device.
Cheryl Archer GIF
The Meme Generator is a flexible tool for many purposes.
Used as background since this image contains transparency. You can customize the font color and outline color just to the right of where you type your text.