Warner Bros. is being sued by Nyan Cat and Keyboard Cat for the company's alleged unauthorized use of two felines that have achieved viral fame.
Clips of Nyan Cat and Keyboard Cat have each each spurred tens of millions of views since appearing online in 2011 and 2007 respectively.
The legal complaint alleged that the cats were used without permission in Scribblenauts, a series of games on the Nintendo DS and other platforms.
Court documents allege that Warner Bros. and developer 5th Cell "knowingly and intentionally infringed" both kitty claimants' ownership rights.
Says the legal complaint against WB and 5th Cell: