 Groening thought that it would be funny to have a baby character that did not talk and never grew up , but was scripted to show any emotions that the scene required . Maggie 's comedic hallmarks include her tendency to stumble and land on her face while attempting to walk , and a penchant for sucking on her pacifier , the sound of which has become the equivalent of her catchphrase and was originally created by Groening during the Tracey Ullman period . In the early seasons of the show , Maggie would suck her pacifier over other characters ' dialogue , but this was discontinued because the producers found it too distracting . 
 Groening thought that it would be funny to have a baby character <a href='null_relcl' title='1'><mark>that</mark></a>did not talk and <a href='None' title='2'><mark>never</mark></a> grew up , but was scripted to show any emotions that the scene required . Maggie <a href='null_genetive' title='3'><mark>'s</mark></a>comedic hallmarks include her tendency to stumble and land on her face while attempting to walk , and a penchant for sucking on her pacifier , the sound of which <a href='been_done' title='4'><mark>has</mark></a> become the equivalent of her catchphrase and was originally created by Groening during the Tracey Ullman period . In the early seasons of the show , Maggie would suck her pacifier over other characters <a href='null_genetive' title='5'><mark>'</mark></a>dialogue , but this was discontinued because the producers found it too distracting . 
Groening thought dat it would be funnie to have a baby character did not talk and don't never grew up , but was scripted to show any emotions tdatthe scene required . chrissy  comedic hallmarks include her tendency to stumble and land on her face while attempting to walk , and a penchant fir suckin on her pacifier , the sound of which done become the equivalent of her catchphrase and was originally created by Groening durin the Tracey Ullman period . In the early seasons of the show , Maggie would suck her pacifier ova other characters  dialogue , but this was discontinued bc the producers found it too distracting .