Otto

Otto is Miss O's puppy, who first appeared in the The Letter Town. He speaks only in barks and other typical dog sound effects.
== Appearances ==
=== The Letter Town (1978—2003) ===
* Episode 52: Toast of the Dog
* Episode 53: OU and OW
* Episode 54: OI and OY
* Episode 55: Double O (OO)
* Episode 56: The Word Machine
* Episode 57: The Story of Mister F And Miss I
* Episode 59: Lily Lemma's Birthday, part II
* Episode 60: Lily Lemma's Birthday, part III
* Episode 61: Lily Lemma's Birthday, part IV
* Episode 62: Lily Lemma's Birthday, part V
* Episode 63: Lily Lemma's Birthday, part VI
*Episode 69: Natalie Noun's Birthday part I
*Episode 70: Natalie Noun's Birthday part II
*Episode 71: Natalie Noun's Birthday part III
*Episode 72: Natalie Noun's Birthday part IV
*Episode 77: How Do You Do, FL (FL)
*Episode 78: How Do You Do, GL (GL)
*Episode 79: How Do You Do, PL (PL)
*Episode 80: How Do You Do, SL (SL)
*Episode 81: How Do You Do, BL (BL)
*Episode 82: Snappy Tap Dance
*Episode 83: The Another Story of Mister F And Miss I
*Episode 90: Lemmas
*Episode 91: Poems
*Episode 92: Interjections
*Episode 93: Conjunctions
*Episode 94: Sentences
*Episode 96: Adjectives
*Episode 97: Nouns
*Episode 98: Verbs and Adverbs
*Episode 99: Questions
*Episode 100: Andy Adjective's Birthday part I
*Episode 101: Andy Adjective's Birthday part II
*Episode 103: Star Trip, part II (OR)
*Episode 110: Lone O (O)
*Episode 114: Quincy Question's Birthday part I
*Episode 115: Quincy Question's Birthday part II
*Episode 116: Quincy Question's Birthday part III
*Episode 117: Quincy Question's Birthday part IV
*Episode 119: The Story of Mister F And Miss O
*Episode 120: Wonder Girl, part I
*Episode 121: Wonder Girl, part II
*Episode 122: The ING Sound, part I
*Episode 123: The ING Sound, part II
*Episode 126: Veronica Verb's Birthday, part III
*Episode 127: Veronica Verb's Birthday, part IV
*Episode 128: Alice Adverb's Birthday, part I
*Episode 139: Alice Adverb's Birthday, part II
*Episode 130: Alice Adverb's Birthday, part III
*Episode 131: Alice Adverb's Birthday, part IV
*Episode 134: Sally Sentence's Birthday, part I
*Episode 135: Sally Sentence's Birthday, part II
Category:1976 births
Category:Puppies
Category:Dogs
Category:Pets