Aloysius Zimmerplotz

Aloysius Zimmerplotz  is a boy whose name is very difficult to spell. Tommy Tibble said that D.W. has an easy name to spell, and that she should be glad that she wasn't Aloysius Zimmerplotz.

Physical appearance
Aloysius is a cat with orange hair and yellow glasses. He has a red shirt and a white undershirt. He also bears a striking resemblance to 3rd Grade Female Cat, but is not the same person. He could be related to her, though.