Eye dialect of wonderful I suspect this is not really "eye dialect": #* 1787, James Elphinston, Propriety Ascertained in Her Picture; Or, Inglish Speech and Spelling Rendered Mutual Guides, page 25
Nor waz dhis transformacion more wonderfool dhan dhat ov an evvet into an ewt, hwich no les natturally drew dhe (now uſeles) dental ov dhe artikel into dhe articulacion ov dhe noun, in a newt.
1839, Charles Mathews, Memoires, page 260“... It's quite wonderfool hoo the deevil he gets through it all.†(Whispering in his ear) “I am surprised too; but I did it all myself.â€
1867, Charles Dickens, All the Year Round Volume 18, page 536Fresh, ardent, yet woise, oh so woise, he tell me 'ou to manage my lands, an oder wonderfool tings!
1992, Tristan Jones, Adrift, page 257:Then one French-American sous-chef, still in his white kitchen gear, climbed down from the cockpit, where he had been inspecting the cabin, peering inside, murmuring, "wonderfool–wonderfool, ze workmansheep!"
1998, James Howard Kunstler, Home from nowhere: remaking our everyday world for the twenty-first Century, page 179:Whenever approached by some unctuous bell captain as to my reason for occupying a chair for such a long time, I would reply in an all-purpose "foreign" accent (part Bela Lugosi, part Charlie Chan) "Merry Chreestmas. America it is a wonderfool country," and then they generally left me alone.
2009, Sue Limb, Girl, Barely 15: Flirting for England, page 195:Marie-Louise emerged from the girls' tent, wrapped in a fleece. She sat down by Jess. "It is wonderfool now zat Jodie is feelingue bettair," she said.
2012, Chloe Rayban, Mwah-Mwah, Bloomsbury Publishing (ISBN 9781408834923), page 126'Come and swim,' he said to me. 'Ze water eez wonderfool.'