: Nerwin (nephew)
Base of operations:
The enchanted forest
Irwin is the undefeated champion of happiness and good spirits despite Broom-Hilda's best efforts. He is a kind, gentle, loving, troll with a good sense of humor. His spends his time spreading love and happiness to everyone and everything in the enchanted forest.
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Cartoons: Archie's T.V. Funnies (1971)
Country of origin:
Irwin appeared in the "Broom-Hilda" segment of the cartoon Archie's T.V. Funnies
from 1971. His voice was done by Alan Oppenheimer (who also did Grelber) and apparently it is the only appearance of Irwin Troll outside the comic.
Names around the World:
Examples (click to enlarge):