Iris, The Happy Professor

Iris, The Happy Professor (also known as Professor Iris and in French as Iris, le gentil professeur or Professeur Iris) is a Canadian-produced television show that run for 156 episodes from 1992 to 1994, created by former Belgian-born comic book artist Henri Desclez and revolving around Professor Iris, a purple ibis who tells his class, which includes his three students - Piano, Skeleton, and Plant. The Professor can teach a variety of subjects to his students and can always wears bowties based on whatever the lesson is.
A French-language version is made by Montreal's Cinélume Film et Vidéo (first under the supervision of Vincent Davy for the first two seasons; uncredited on the first, credited on the second), then Christine Boivineau for the remaining episodes (with Joey Galimi for song adaptation).
International broadcasting.
"Iris, The Happy Professor" has aired in several countries and territories including Canada, France, the United States, Israel, Hong Kong, the United Kingdom, Latin America, Malaysia, Philippines, Singapore, Spain, Scotland, and Jordan.